Young Firms, Old Capital - Ryan Pratt
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Transcript of Young Firms, Old Capital - Ryan Pratt
Young Firms, Old Capital∗
Song Ma† Justin Murfin‡ Ryan Pratt§
(Preliminary. Please Do Not Circulate Without Permission.)
This paper explores the interaction of capital reallocation and entrepreneurship activities.
We document a robust fact about young firm investment using a sample of machine
transactions covering more than 70,000 models of equipment across a wide range of
industries—that young firms are the predominant buyers of vintage physical capital,
originally owned and seasoned by older firms that are geographically proximate. This
pattern is more pronounced when financial constraints are more likely to bind. Because
young firms depend on older capital, which in turn tends to trade more locally, we
demonstrate there are returns to local agglomeration among young and old firms.
Specifically, the local availability of vintage capital provided by older firms shapes the
investment choices, growth and entry of new businesses in the same county and industry
just as the existence of local new businesses facilitates machine turnover and capital
adjustment in older incumbents.
JEL Classification: L26, E22, G31
Keywords: Capital Reallocation, Entrepreneurship, Investment, Agglomeration
∗This version: June 5, 2020. We thank seminar participants at Chicago Booth, Colorado Finance Summit,Duke/UNC I&E Research Conference, FDIC, Federal Reserve Bank of Philadelphia, Federal Reserve Board,GSU Conference on Financing Tangible and Intangible Capital, HEC Workshop on Entrepreneurship, JuniorEntrepreneurial Finance and Innovation Workshop, Kellogg, Pittsburgh, Princeton, Syracuse, Tilburg, Utah,Washington St. Louis Corporate Finance Conference, and Yale (Applied Micro). We also thank TonyCookson, Francois Derrien, Jason Donaldson, William Mann, Sahil Raina, Adriano Rampini, Xinxin Wang,and Liu Yang for detailed comments. Huijun Sun and Ran You provided excellent research assistance. YaleInternational Center for Finance provided research support. We thank Erik Gilje for generously sharing dataon county-level shale oil shocks. All errors are our own.
†Yale University, [email protected], +1 (203) 436-4687;‡Cornell University, [email protected], +1 (607) 255-8023;§Brigham Young University, [email protected], +1 (801) 422-1222.
1. Introduction
Recent work on business cycle dynamics and growth has emphasized the importance of
young firms and, separately, the process of capital reallocation. In this paper, we link these
two important drivers of growth via a core feature of capital reallocation in practice: that
young firms are the predominant buyers of old capital seasoned by older, established firms in
the same county. We argue this pattern of capital reallocation influences both young firm
investment and capital replacement rates of old firms. Combined, these patterns suggest that,
because of trade in vintage capital, the co-location of young and old firms may shape the
returns to agglomeration.
Our paper proceeds in two parts. First we document the pattern of capital reallocation
across young and old firms and suggest some explanations. Next, taking the pattern as given,
we ask how the potential for trade in old capital shapes the behavior of both young and old
firms.
To document the interaction between firm and machine age, we lean on 1.5 million
transactions covering more than 70,000 models of machines used across a broad range of
industries. Across a wide range of industries and equipment types, young firms deploy older
capital, whereas old firms are the predominant investors in new capital. This correlation is not
obviously explained by selection related to omitted machine or firm characteristics and holds
within firm, within make-model, and even within a uniquely identified machine. On average,
a given reallocated machine is purchased by a firm that is six years younger than its prior
owner. Similar patterns emerge in separate samples covering machine tools, woodworking
tools, printers, copiers, lift trucks, and machines used in logging and construction and are
both statistically and economically significant in more than 80 percent of the industries.
Given the observed reallocation dynamic, what features of older machines make them
relatively more attractive to younger firms? We find evidence consistent with a finance
motive described in Eisfeldt and Rampini (2007) and Rampini (2019). Rampini (2019) points
out that more durable goods have higher prices and that this effect dominates their higher
collateral value in a world with imperfect capital pledgeability. Consequently, more durable
goods (that is, younger equipment with a longer remaining productive life) require larger
1
down payments per unit of capital. Financially constrained (young) firms optimally choose
older capital to lower upfront costs at the expense of a higher user cost, as manifest by
increased down time and/or higher ongoing maintenance costs. Exploiting cross-sectional
measures of financial constraints with an instrument for bank branch liquidity developed in
Gilje, Loutskina, and Strahan (2016), we find that the association between firm and capital
age is most evident in periods/places experiencing tighter credit. Related, Eisfeldt and
Rampini (2009) argues that lease contracts enjoy a repossession advantage relative to loan
contracts, increasing pledgeability of capital and mitigating financial constraints. As a result,
machine choice by young firms may be less distorted when machines are available for lease.
Again, consistent with a financial motive, we find weaker links between capital age and firm
age in rental and leasing markets. In contrast, our evidence does not seem to support theories
based on young firms’ different technological demand relative to older firms (Bond, 1983).
Given the potential importance of used capital to young firms, it makes sense to ask
whether that supply needs to be locally provided. If so, this might suggest important
geographic links between young and old firms, as purchasers and providers of used capital
respectively. Using our ability to track machines across users via their serial numbers, we
confirm that trade in used machines is essentially geographically local, and increasingly so
with capital age. The suggestion of gains from trade across young and old firms in the same
locality motivates the second section of the paper, which asks how the opportunity for used
capital purchases by young firms from local older firms (and conversely the opportunity for
old firms to sell used capital to local younger firms) affects their investment choices, and
perhaps supports returns to co-location.
To explore these ideas, we create a measure of the availability of local vintage capital,
using records of debt-financed equipment purchases from UCC filings to track the transaction
history of new machine purchases within a county. We then track the aggregate latent supply
of machines of a given age that would be potentially available to a given buyer in each county
by year. For example, 100 new machines purchases at time t, in county i, provides a measure
of the five-year-old machine supply in county i at time t+ 5.
Using this variation in old capital supply, we find that a more abundant supply of used
machines at start-up investment is immediately reflected in equipment purchase decisions at
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the micro-level. We estimate a choice model of machine purchase for young and old firms
based on the latent supply of local capital. Conditional on a purchase being made in a
given quarter, the youngest firms are significantly more sensitive to vintage capital supply
as a determinant of the specific type of equipment that they purchase, and that sensitivity
monotonically declines with firm age. This fact would seem to lend credence to anecdotes
common among entrepreneurs about the sensitivity of early decisions to the local availability
of inputs. As a prominent example, the iconic start-up Ben and Jerry’s chose to make
ice cream after finding a used ice cream truck and freezer for sale locally, but only after
abandoning their initial plan to make bagels due to their inability to find affordable used
bagel machines.1
The Ben and Jerry’s example suggests even more interesting questions. Given the success
of the ultimate enterprise, we might wonder if firms that enjoy access to local supply in used
capital show long-term benefits. For example, if young firms invest based on used capital
availability, how does this predict the volume and variety of their subsequent acquisitions?
Aggregating our supply variable up to an industry level and conditioning on the entry of a
young firm into a given industry, we find that firms entering industries with a large local
supply of used capital invest more in their first three years, and they invest in a greater
variety of equipment types than firms with less access to used capital. Surprisingly, firms
with access to used capital even appear to graduate to the purchase of new equipment more
quickly than firms without access.
Again, a plausible explanation for the relationship between capital supply and firms
behavior might be that lagged investment booms in capital that drive today’s used capital
supply have a long-tailed effect on local industry investment. However, when we benchmark
young firms’ sensitivity to that of older firms, we find effects concentrated among start-ups
making their first purchases. We also find effects only for heavy equipment constrained to
trade locally. Although by no means definitive, it is not obvious why business activity that
drives new capital investment should impact firm growth 5-years later differently for young
firms and among firms using only physically heavy equipment, except because of young firms’
1https://www.washingtonpost.com/business/on-small-business/when-we-were-small-ben-and-jerrys/
2014/05/14/069b6cae-dac4-11e3-8009-71de85b9c527_story.html?utm_term=.f2b01c7b9a77.
3
dependence on vintage capital. We also find that used capital supply also appears to attract
entrepreneurial entry. After controlling for time trends at the industry and county level,
start-up entry is particularly strong in county-industries for which the old capital supply is
greater. Again, this only applies to industries that rely on heavy physical capital.
If the local supply of capital seasoned by older local firms benefits start-ups, do older firms
also enjoy gains from trading with their younger counterparts? In our final tests, we use the
fraction of young businesses, measured by their share of industry-county-quarter employment,
as a measure of local demand for used capital. We then compare firms’ propensity to replace
specific equipment based on the presence of local young firm users of the same equipment
type. Because equipment within an industry will experience differential local young firm
demand (for example, Ben and Jerry’s ice cream freezer and cash register will experience
differential demand based on the local industry mix), our tests can absorb fixed-effects at the
level of county-industry-time. By tracking the reallocation of equipment via serial number,
we find that firms sell and replace equipment faster when the mix of local users of the capital
skew towards young firms. Joint with our findings on young firm investment, these results
indicate that young and old firms in a given geography enjoy a symbiotic relationship through
the supply and demand of used equipment.
Our results connect us to a several distinct bodies of work. Most directly, we propose
a key input into entrepreneurship and the investment demand of young firms. Start-ups
often have limited resources (Petersen and Rajan, 1994). As a result, young firms show
distinct features when making decisions on financing (Puri and Zarutskie, 2012), labor (Brown
and Medoff, 2003; Ouimet and Zarutskie, 2014), and business focus (Ewens, Nanda, and
Rhodes-Kropf, 2018). Our paper brings capital investment, another key component in firms’
production function, to the discussion. The documented investment patterns also links
our paper to studies on capital investment and replacement. Our evidence suggests that
differential demand of capital facilitates capital reallocation through decreasing the matching
frictions (Gavazza, 2011a,b).
The fact that local capital reallocation links firms in the same industry may also be
relevant to our understanding of agglomerative forces in the urban economy. Agglomeration is
both a feature of any modern economy and a robust growth driver (Davis, Fisher, and Whited,
4
2014). The Marshallian view (Marshall, 1890) of agglomeration highlights rationales like
labor market pooling, customer-supplier interactions, and knowledge spillovers (Duranton and
Puga, 2004; Kerr and Kominers, 2015). The linkage through capital reallocation suggests a
new motivation for agglomeration, and one that has specific predictions about the importance
for co-location among young and old firms.
2. Background and Data
Our primary data source covers sales and leases of new and used physical capital. It is
collected and sold by Equipment Data Associates (EDA) and is recovered from financing
statements filed by secured lenders. The financing statements are designated as the means
of documenting liens under the uniform commercial code (UCC) and are self-reported by
lenders motivated by the need to stake a claim to specific pieces of collateral. In the event of
a default on a secured loan in which multiple lenders report liens against the same piece of
equipment, the first lender to have filed a UCC financing statement on that specific piece
of equipment is given priority. Thus lenders have strong incentives to promptly report the
collateral they have lent against. Financing statements are publicly available, but EDA
provides cleaned and formatted versions going back to 1990. Similar data are used in Murfin
and Pratt (2019) as well as Edgerton (2012). An introduction to financing statements and
the institutional background of the data can be found in Edgerton (2012) and Gopal (2019).
[Insert Figure 1 About Here.]
Figure 1 shows an example UCC financing statement from Edgerton (2012). The
statements typically contain identifying equipment characteristics, including make, model,
year of manufacture, and serial number, allowing EDA to calculate the age of equipment
and also track equipment across sequential transactions. In addition, the statements provide
information on the location of the purchaser/lessor, which EDA supplements with data on
the firm industry, age, and when available, estimated number of employees and annual sales.
The complete dataset includes more than seven million observations covering more than
150,000 models of equipment, including construction equipment, copiers, lift trucks, logging
equipment, and machine tools. These equipment are coded into 124 broad categories based
5
on the functionality (i.e., cranes), which are then coded into 376 detailed equipment types
based on their more specific characteristics (i.e., crawler crane, truck crane, etc.). For each of
these equipment types, we hand collect the specification information for the top five most
popular models, through which we obtain a measure of average equipment type weight from
dealer and manufacturer marketing materials.
Given our goal to link equipment reallocation with geographic agglomeration, we also
collect regional level economic variables. These include a measure of local banking liquidity
using shale oil shocks, following Gilje, Loutskina, and Strahan (2016). The variable captures
variation to local credit condition by tracking, for each county-quarter, the exposure to shale
discovery-driven windfalls through the banking network.2 For local employment data, we
turn to the U.S. Census Quarterly Workforce Indicators (QWI) to compute total employment
by firm age and by county, similar to Adelino, Ma, and Robinson (2017) and Barrot and
Nanda (2019). The QWI is derived from the Longitudinal Employer-Household Dynamics
(LEHD) program at the Census Bureau and provides total employment in the private sector
tabulated by industries and age groups, allowing us to observe local start-up activities.
[Insert Table 1 About Here.]
Table 1 reports summary statistics for equipment transactions included in the UCC data.
We focus on the sample for which we observe firm-level characteristics, most importantly the
age of the buyer. The mean (median) age of a machine in the UCC transaction data is four
years (one year). The mean (median) firm age in our sample is by 22 (16) years, with 25
percent of all transactions involving firms less than seven years old. The average machine in
our sample had an estimated value at the time of acquisition of roughly $70,000, while the
25th and 75th percentiles of equipment value are $15,577 and $91,324.
3. The Relation Between Firm Age and Capital Age
The first contribution of the paper is to document the relation between capital age and
firm age, and in particular, its robustness and consistency across asset markets.
2See Appendix A.1 for more details.
6
3.1. Univariate Analysis
Our analysis begins with a univariate illustration of how firms use different aged machines
over their life cycle, and conversely, how machines are reallocated across the firm age
distribution over time. In Figure 2, we plot the average age of machines purchased by
firms across different age groups, as well as the 95 percent confidence interval. Newly born
firms purchase machines that are on average 5.5 years old. Older firms purchase younger
machines—1-year old firms’ purchase 5-year old capital on average, and this number drops
to 4.1 years old for firms that are 10 years old. The pattern captures more than just the
distinction between purchasing new vs. used capital. Similar patterns obtain within the
subsample of used machine transactions, suggesting a continuous reallocation of capital to
different vintages of firms as capital ages.
[Insert Figure 2 and 3 About Here.]
The economic magnitude of the effect size appears sizable. Consider that in the sample,
the average effect of age on estimated machine value (per EDA’s valuation estimates) is
–$4,310 per year. Meanwhile, the median acquisition of 0-1 year old firm in the sample is
$43,110. Comparing the roughly 3-year change in average machine age going from a start-up
to a fully mature firm, implies a $12,930 reduction in acquired machine value, or 25 percent
of total price.
Of course, the relationship depicted in Figure 2 may be confounded by biases arising
from the changing composition of firms. Mechanically, the observations within the later age
groups condition on the survival and investment decisions of continuing firms. Moreover,
large differences in the distribution of age across industry, geography, and potentially a host
of unobservable firm characteristics leave the plot open to interpretation.3 To visually isolate
the pattern net of any selection effects driven by unobserved firm heterogeneity correlated
with age, we focus on a balanced sample of the same set of firms as they acquire capital over
time. To compare the same set of firms at each point in the plot, we limit the sample to firms
that have at least 10 transaction records and track the age of machines each firm purchases
3For example, firms that purchase copiers are on average 24 years older than the mean firm buyingconstruction equipment. Yet the average construction equipment transaction involves a machine that is 7.5times older than the average copier transaction.
7
with each successive capital acquisition. In addition to holding fixed firm characteristics
constant, this also allows us to sidestep measurement error in firm age and focus on exogenous
variation due to the passage of time.
Figure 3 presents this within-firm result. On average a firm’s first capital purchase involves
a machine that is 5.25 years old, closely mapping to the average age of equipment purchased
by newly born firms in Figure 2 (5.5 years). By the time firms are purchasing their sixth
piece of equipment, the average equipment age has fallen to 3.6 years old. The decrease
in machine age over the first few transactions is particularly notable, suggesting important
effects near the time of firm establishment.
[Insert Figure 4 About Here.]
Finally, the documented relationship is not driven by patterns particular to some small
set of industries and corresponding capital. Rather, we find that it is ubiquitous across many
different industries and different types of equipment. In Figure 4, we plot the histogram of the
industry-by-industry (4-digit SIC level) and equipment type-by-equipment type coefficients
from a regression of machine age on firm age. The coefficients that are statistically significant
at the 1 percent level are reported in white, those that are statistically significant at the 10
percent level are reported in light gray, and those that are insignificant at the 10 percent level
are reported in dark gray. Across 174 industries, we find that this relationship of young firms,
old capital holds at the 1 percent level for 131 industries and at the 10 percent level for 146
industries. The relation is positive and significant at 10 percent level for only 9 industries.
Of the 116 equipment types in our data, the young firms, old capital relationship holds at
the 1 percent level for 92 types and at the 10 percent level for 98 types.
3.2. Regression Results: Firm Age and Capital Age
While the figures suggest a robust pattern that goes beyond industry or equipment type
effects, Table 2 allows us to flexibly explore the relationship and its sensitivity to conditioning
out confounding machine or firm characteristics. We perform the analysis on a complete set
of equipment transactions i using the following model:
log(1 +Machine Age)i = β × log(1 + Firm Age)i + δFE + εi. (1)
8
In these regressions, each transaction is indexed by the purchasing firm, its industry (3-digit
SIC code), transaction year, machine type (i.e., compact utility tractor), and the machine
itself. Both machine age and firm age are measure as the logarithm of one plus age.4 Since
we are limited by the observable characteristics of machines and the buyer, we sequentially
incorporate a system of fixed effects, which we discuss below.
[Insert Table 2 About Here.]
In column (1), we control for county-by-year and industry fixed effects. In this way, we
remove the effect of county-level time trends and industry-level variations that could drive
the correlation between firm age and machine age. We find that the coefficient is negative
and significant. The economic magnitude, –0.100, suggests that an approximate doubling of
firm age results in a 10 percent decrease in the age of equipment acquired. Moving from a
start-up to the mean age firm (25 years), the average age of machines decrease by 33 percent,
or roughly, 1.8 years relative to the average start-up machine age of 5.5 years old. This
corresponds to an approximate reduction in machine value (using EDA estimates) of $7,758,
or 18 percent of average acquisition value for start-ups in the sample.
Column (2) adds machine type fixed effects. Machine types are correlated with but
different from industry categorizations and broadly describe the machine’s function, but not
necessarily its size or power. For example, all black and white copiers comprise one machine
type and all color copiers comprise another. If young firms and old firms are matched to
different types of assets that have different depreciation dynamics, our results could simply be
picking up this firm-asset matching outcome. The result in column (2), with an economically
large and statistically significant coefficient, suggests that endogenous matching doesn’t
explain the observed relationship between firm and machine age.
Column (3) introduces firm-level fixed effects, mirroring the within-firm plot in Figure 4.
Column (4) pushes the analysis to its natural limit by incorporating machine-level fixed
effects, focusing the variation within exactly the same underlying asset, where the machine is
identified using make-model-serial number. This evidence most clearly depicts the pattern of
reallocation of primary interest: machines are originally purchased and seasoned by mature
4In Appendix Table A2, we show that the analysis shown below is qualitatively and quantitatively similarif we transform the age variables using inverse hyperbolic sine operator.
9
firms and are then serially reallocated to younger and younger entrants over time. Among
the machines that we can follow, the average difference in age between the seller and buyer is
2.4 years—the owner age shrinks by 13 percent with each reallocation.5
In Appendix Table A3, we extend the regressions by including firm size measures in the
regressions. Firm size is measured using both the amount of sales and the total employment,
sourced by EDA from Dun and Bradstreet. To separate the effects of age and size is
particularly important given the recent research on the independent influences of age and size
in firm behavior (Haltiwanger, Jarmin, and Miranda, 2013; Adelino, Ma, and Robinson, 2017).
Not surprisingly, and consistent with Eisfeldt and Rampini (2007), larger firms purchase
younger machines, and the economic magnitudes are large. However, even after controlling for
firm size, firm age still plays an important role in capital investment decisions. Regrettably,
coverage of firm size is only captured once in the database (i.e. we do not observe changes in
firm size over time) and not for all firms, limiting our ability analyze this variation.
Plausible candidate explanations for the “young firms, old capital” pattern include
financing constraints faced by young firms. Technological preferences of young vs old firms
may also play a role. We find evidence of the former, but not the latter.
Regarding financing constraints, Eisfeldt and Rampini (2007) and Rampini (2019) argue
that used capital should be more attractive to financially constrained firms since they are
more willing to exchange higher maintenance costs and less durability for a lower down
payment requirement today. We test this idea by interacting a cross-sectional instrument for
bank liquidity with firm age—if the relaxation of financing constraints for young firms flattens
the relationship with machine age, we might conclude that financing constraints play an
important role. Following Gilje, Loutskina, and Strahan (2016), we capture county-by-quarter
variation in bank liquidity driven by deposit windfalls in distant branches of local banks
related to shale oil discoveries. Bank liquidity shocks are aggregated at the county-year level
to come up with geographic variation in access to credit. We characterize better credit as
a dummy for above median values of the size of the measured shale-driven liquidity shock.
5These numbers vary by industry. Woodworking tools are reallocated to a buyer that is six years younger onaverage than the previous owner. The difference is 5.1 years for logging tools and three years for constructionequipment. Printers, copiers, and machine tools show the smallest differences in user age as the machinetrades at just 2.5, 1.4, and 0.5 years, respectively, although the sign is the same in every major equipmentcategory.
10
We then augment the model in Eq. (1) with an interaction term of firm age and the shale
shock indicator. The results are reported in Table 3 columns (1) and (2), showing that young
firms’ preference for old capital decreases by about 20 percent with better credit access. This
suggests a prominent role for financial constraints in the allocation of older capital.
[Insert Table 3 About Here.]
Explanations rooted in young firms’ technological preferences are harder to detect. In
columns (3) and (4), we find limited evidence that young firms use older capital when
they lease it (Eisfeldt and Rampini, 2009). Finally, when we substitute machine age for a
measure of technological age based on the year a model was introduced, we find no obvious
correspondence with firm age. Column (5) restricts the sample to the subset of transactions
in which the buyer firm purchases a new machine. This allows us to fix variation in the
new vs. used decision and instead focus on variation in technological age, which we measure
as “model age”, defined as the difference between the year of transaction and the year of
model introduction. If young firms purchase old capital because of non-financial reasons
such as preferring older but proven technologies, one would expect that younger firms will
choose longer-established models even when buying new machines. We find that the economic
relation between firm age and model age in this regression is both economically negligible
and statistically weak.
While these facts help shed light on the economic motivations for start-ups’ use of vintage
capital, for the remainder of the paper, we largely take the observed correlation as given and
turn to the bigger issue at hand: given the apparent demand for old capital by young firms,
how does local availability of seasoned capital shape entrepreneurial investment and growth?
3.3. Nonincidental Sample Selection
So far, we’ve avoided any discussion of sample selection—i.e., the data generating process
that allows us to observe equipment acquisitions together with buyer characteristics. Because
our data are generated as a result of secured debt financing with liens perfected under the
UCC, exclusion from the data is not random, but instead will correlate with firms’ decisions
to acquire capital via cash, unsecured debt, or secured debt. For example, older firms may
11
be more likely to purchase with cash, and/or new machines may be collateralized more often,
taking advantage of commonplace manufacturer financing (Murfin and Pratt, 2019). Given
the right (or wrong) selection equation, the relation between firm age and machine age could
easily confound the true relation between firm an machine age.
To measure the severity of the problem, we first investigate the potential selection on
firm age. While we can’t test this at the micro-level, it is possible to check whether indeed
young firms are more likely to use secured debt when acquiring the types of physical capital
in our data. To do so, we compare the firm age distribution in the UCC data with that of
the selection-free Census data. Specifically, we compare the proportion of UCC machine
purchases made by firms in different firm age groups with the proportion of employment by
firms in different firm age groups. In Table A4, we find almost identical firm age distributions.
While by no means definitive, the proximity of the two distributions is inconsistent with
massive selection effects biasing our data to a specifc end of the firm age distribution.
Equally important is how machine age enters the selection equation. In particular, if
both old firms and old equipment were systematically excluded from the data, the unlikely
observation of an old piece of equipment would need be, on average, more likely to be matched
to a young firm (to offset the effects of machine age in the selection equation). While it seems
likely that new machines relative to used machines will tend to benefit from commonplace
manufacturer financing relative, supporting their more frequent sample inclusion (Murfin
and Pratt, 2019), variation in financing status across machine age among used machines is
not obvious. Meanwhile, 65% of equipment transactions are for machines at least one year
old, so these machines will be of most interest to us in terms of understanding the typical
relationship between machine and firm age.
To estimate the sign of machine age in the selection equation, we need a sample of machines
for which we can observe the complete information on whether each was ever selected into
UCC. We exploit a subset of UCC filings that are flagged by the data provider as wholesale
acquisitions, primarily floor-plan financing for dealer inventory. These transactions are useful
if we assume that when dealers borrow against machines in inventory, those machines will
subsequently be sold to retail buyers. For these machines, some are followed by a subsequent
UCC sales (i.e., selected), and some are not (i.e., selected out). We can then estimate the
12
selection equation based on equipment age to understand if machine age predicts selection
into the data.
[Insert Table 4 About Here.]
In Table 4, we model the selection equation, examining whether a wholesale transaction
was followed by a subsequent sale over the next year—that is, selected into sample. We
include a dummy for new vs. used machines as well as a non-binary age variable, allowing
the new vs. used margin to impact selection differently from variation in age within used
machines. The table suggests that brand new machines are more likely to be selected into
our sample. However, among used machines, the relationship between age and selection is
economically tiny and not distinct from zero.
Given that machine age appears to influence financing (and hence selection) only at the
new vs. used margin, how should we interpret our main results? To see what the results
would look like absent these selection effects, we can re-estimate the regressions from Table 2
among used machines—the subset for which age appears unimportant for selection. Because
the regression of interest requires that we truncate machine age, Table 4 Panel B estimates a
truncated regression model to deal with the bias associated with truncated left-hand-side
variables. Consistent with selection biases being small, a comparison of the main effects in
columns (1)–(2) and (3)–(4) yields little difference in effect size.
4. Old Capital, Local Economic Activities, and Agglomeration
In the prior sections, we documented young firms’ apparent demand for used capital
and provided evidence of potential explanations for that fact. Going forward, we take these
facts as given and proceed by asking what are the consequences of this relationship on
entrepreneurship, capital investment, and growth? In particular, if young firms require used
capital, they may benefit from being located near older firms, which serve as producers of
used capital. This may jointly shape how firms invest conditional on entry within an industry,
or even the industries that entrepreneurs choose to enter.
Several questions emerge immediately. For example, do we observe large sample variation
consistent with the Ben and Jerry’s anecdote shared at the paper’s start, in which an
13
entrepreneurial start-up’s investment choice was shaped by vintage capital supply? We
also explore longer term outcomes for firms shaped by used capital supply. How quickly
do start-ups surrounded by used capital grow and expand? Does used capital motivate
entrepreneurial entry in the first place?
Older firms that prefer newer capital may also benefit from having natural buyers of their
used capital in close proximity. If true, this would make a strong case for the importance of
used capital markets, not just to support entrepreneurship, but also to shape the investment
dynamics of incumbent firms. Perhaps more importantly, it would suggest gains to co-
location among young and old firms and provide a novel channel for the returns to geographic
agglomeration.
To evaluate the conjectures above, we propose and test two hypotheses relating young
and old firm trade in vintage capital. First, we hypothesize that local old capital supply will
influence the nature and volume of young firm investment and start-up entry (i.e., old firms’
used capital benefits young firms). Second, we test if the presence of old capital-dependent
young firms allows incumbent capital owners to upgrade capital more frequently (i.e., young
firms’ reliance on used capital benefits old firms).
In the next section, we describe our measurement of the supply of old capital and propose
how we intend to identify the hypothesized links between the trade in vintage capital and
firm outcomes as distinct from other hypotheses.
4.1. Measuring Old Capital Availability
To begin our examination of the role of vintage capital in young firm investment, we
first need a measure of the volume of old capital available to young firms. We approach
this problem by making use of predetermined variation in the local purchase history of new
physical capital in a county reported in EDA. As each machine “enters” a county as a new
purchase, we count it as part of the local supply for that equipment type in the same county
for the remainder of its useful life. From this, we are able to aggregate a measure of the
number of k -year old equipment locally-available based on the new purchases made locally k
years ago.
As an example, a brush cutter purchased by a logging company in Durham, NC in 2010
14
will appear in the local supply of one year old machines in 2011, the local supply of two year
old machines in 2012, and so on. In our analysis, we focus on the old machine availability
measure for equipment aged five to ten years. The lower bound captures our interest in used
vintage capital. The upper bound is limited by the time span of the EDA data. We cannot
capture the supply of machines that are ten years old until the eleventh year of our sample,
since we need to allow ten years to pass from the observation of a new machine purchase.
Also note, we focus on new machine purchases to avoid treating same-machine turnover
as an increase in supply. By using variation in new machine purchases as variation in the
latent supply of old machines, we also ensure a gap in timing between supply shocks and
current economic activity that becomes blurry with used capital transactions (for example,
the purchases of a five-year old machine at time t may reflect variation in used capital supply,
but it is also mechanically linked to investment, a key outcome measure, during the same
period).
We apply the procedure described above to every machine type in every county and
aggregate annually. This provides us with a measure of the total number of a given machine
type at any age category available to local businesses in a given county, at a given time.
Our primary measures of old capital supply focuses on available machines in the age range
between five and ten years old. Moreover, as will be discussed below, this measure can be
flexibly aggregated to reflect the total supply available to an industry by aggregating the
equipment type level variable up to the industry level for all the machines purchased by a
given industry, weighting based on the relative frequency of purchase.
4.2. Geographic Constraints to Used Capital Trade
Calculating the local equipment supply to test its effects on local businesses presupposes
that trade in vintage capital is predominantly local. This is both critical to our identification,
which relies on geographic variation in used capital, but also suggests an empirical question:
how local is trade in used capital?
Given the ability to track machines by way of their serial number over subsequent trades,
our data provide a unique setting to answer this question. Under the assumption that the
closest two observed acquisitions of a machine in time represent a trade from the former
15
owner to the new owner, we can calculate the average distance that a machine travels with
each subsequent realloction. A few novel facts emerge.
[Insert Figure 5 About Here.]
First, the reallocation of the used capital in our sample (a broad sample) is a very local
activity—nearly half of the capital reallocation we observe is within 50 miles, and 80 percent
occurs within 200 miles. Figure 5 provides a histogram documenting the full distribution
of trade distance. Moreover, we find that trade in physical capital becomes increasingly
local as machines age. In Table 5, we regress the logarithm of moving distance on our
measure of machine age, as well as the number of time a machine has been traded. The
regressions include fixed effects for industry, machine type, and the locations of buyers and
sellers (separately), allowing us to control for variation in trade activity that may relate to
a locations remoteness. In each specification, we find that as machines age, and with each
subsequent trade, the trading distance shortens. For example, in column (4), we show that it
translates into a 1.7 percentage points higher probability of being traded within the same
county each time the machine is turned over to a new buyer, which is an 8.5 percent increase
from the base rate.
[Insert Table 5 About Here.]
These new facts both support our identification of the effects of used capital supply using
geographic variation. But, more importantly, they also suggest that the physical location
of used capital, the firms need it and those that supply it, may matter. While it is by no
means surprising that geography matters for trade, the degree to which it matters for our
expensive and potentially moveable machines suggests the potential for new and important
geographic components to how industry concentrations emerge, and which types of businesses
entrepreneurs start.
[Insert Figure 6 About Here.]
Given the importance of geography to machine trade, our tests can then exploit variation
in the locality of capital trade as a means of exploring competing interpretations. If local
16
used capital supply causally affects young firm investment, it should do so more strongly
for machines constrained to trade locally because of physical characteristics like weight. In
contrast, if firm investment and local used supply are co-determined by confounding economic
activity, contrasting predictions for high and low weight-to-value capital supply are less
obvious. We conjecture that measures of logged weight-to-value ratios, taken from machine
specification sheets and EDA estimates of value, should provide a strong proxy for constraints
to the locality of trade. This concept is widely used in supply chain and logistic studies
and recently adopted in economics research (Hummels, 2007; Barrot, Loualiche, Plosser, and
Sauvagnat, 2018; Koch, Panayides, and Thomas, 2020). Of course, a necessary condition for
these tests to make sense is that our measure of weight-to-value provides a strong first-stage
in predicting the distance a machine travels after a typical sale. Figure 6 confirms this is
the case, plotting the observed relationship between five weight to value quintiles against
the average logged trade distance. Moving from the first to the fifth quintile reduces trade
distance by roughly 40 percent.
4.3. Old Capital Supply and Young Firm Investment
With variation in the local supply of old machines across time, place, and machine type,
we can now test how the supply of old machines shapes firm investment choices, conditional
on a firm investment occurring. To this end, in Table 6, we estimate a choice model of
machine purchase based on variation in used capital supply. Conditional on a purchase being
made in a given year-county, we assume a potential choice set for that transaction consisting
of all of the equipment types within the same broader equipment category. We then test
whether the supply of old equipment influences the specific choice of equipment from among
alternatives in the same equipment category.
As an example, a Durham lumberjack considering buying a brush cutter in 2015 might also
consider the available supply of de-limbers, fellers, and tree shears. By focusing on tools that
may be reasonable substitutes for the actual tool ex-post purchased, we are able to explore the
intensive margin of investment. Equipment type and sub-category classifications are provided
by EDA. On average, each equipment category (containing more than one equipment type)
contains 6.7 equipment types, suggesting an unconditional purchase probability within the
17
choice sample of 15 percent.
With the unit of observation being a potential machine purchase and the outcome of
interest an indicator for whether or not a given machine type was chosen, we then estimate
the differential effect of used capital supply on old and young firms via the model
I(Bought) =β × LocalSupply × Y oung+
β′ × LocalSupply + β′′ × Y oung + δFE + ε,(2)
I(Bought) is a dummy variable that takes the value one for the specific equipment type
actually purchased. LocalSupply is at the equipment type-county-year level, capturing
variation in the latent supply of each type of equipment. Y oung is a dummy variable
indicating whether the buyer is younger than three years old.
Of course it won’t be surprising that supply affects the eventual equipment choice. Instead,
our identification depends on the differential effects of the latent supply of local capital across
young vs. old firms, captured by the β coefficient in model Eq. (2). The corresponding
thought experiment compares two lumberjacks—one young, one old—in Durham county in
the market for forestry equipment in 2015, presented with the same opportunity to choose
from various equipment types. Our hypothesis that young firms’ decisions are shaped by old
capital supply benchmarks their sensitivity to locally available equipment against that of
established firms. Later, we add another layer of differencing that compares the sensitivity of
young firms for more/less mobile equipment.
In order for our model to approach this thought experiment, our specifications include
detailed fixed effects at the industry-equipment category-county-time level (i.e., lumberjacks-
forestry equipments-Durham-2015). This fine fixed effect structure exactly captures the
thought experiment described above, by ensuring we are not capturing slow moving industry
booms or local economic trends correlated with supply. Standard errors are clustered at the
buyer-equipment category-year level, taking into account that each buyer’s decisions over a
set of equipment types within the same category are correlated.
[Insert Table 6 About Here.]
Table 6 presents the results. We find the youngest firms are significantly more sensitive
18
to vintage capital supply as a determinant of their investment decision and that sensitivity
monotonically declines with firm age. To interpret the economic magnitude, it is perhaps
easiest to break the regression from column (1) down across firm age groups. In Figure 3, we
plot the average response of equipment purchase choices to a one standard deviation change
in local used capital supply across firm age categories ranging from start-ups to firms older
than fifty years. The reported coefficients across age groups are estimated from the following
model:
I(Bought) = β × LocalSupply + δFE + ε, (3)
using the same set of fixed effects from column (1) of Table 6. If we take the oldest firms as
the control, allowing us to capture the baseline elasticity of demand with respect to used
capital supply shocks, the response by start-ups is approximately 18 percent higher than
the response by 50-year-old firms for the same supply shock. In short, at the margin, the
direction in which young firms grow appears to be sensitive to what used capital is available
locally.
[Insert Figure 7 About Here.]
One hurdle to this interpretation is the alternative hypothesis, also consistent with the
regression results, that our supply variable captures a five year lag in local industry dynamism
to which young firms are simply more sensitive. To parse these competing interpretations,
we lean on the fact that the influence of local capital supply on entrepreneurial investment
hinges on the assumption that physical capital is difficult or costly to relocate. In contrast, it
is less clear why a lagged response by young firms to a five-year-old boom should only show
up in their sensitivity to higher weight-to-value equipment supply.
To exploit these competing predictions, in column (3) we interact the effect of local old
capital supply and firm age with Heavy—a dummy variable capturing machines that fall
within the upper quintile of weight-to-value. The results confirm that it is the supply of heavy
capital, the trade of which is more locally-constrained, that most significantly influences
young firm investment.
19
4.4. Old Capital Supply and Young Firm Growth and Entry
Table 6 suggests that, conditional on investing, firms’ choices of equipment depend on
local capital supply. In this section, we ask whether the local availability of old capital has
longer run effects, allowing start-up companies to grow and expand via additional capital
investments in the early stages of their life cycle. To do this, we examine a cross-section of
firms that made at least one equipment investment during their first three years. We then
estimate how the investment dynamics following the initial investment are influenced by local
capital supply. Specifically, we estimate the following regression:
Investmenti = β × LocalSupplyi + δFE + εi. (4)
We construct LocalSupply at the county-industry-year level to capture the total amount of
old equipment available to the start-ups in the county-industry at the time of the initial
investment. To do this, we map the equipment-type supply variable described in Section 4.1
to the 3-digit SIC industry level based on the distribution of industries that acquire each
machine type over the entire sample. For example, if half of all excavators appear in the
data as mining-industry purchases and half as construction purchases, then we allocate a
local supply of 20 excavators as ten excavators each to mining and construction industries.
In this way, the supply of used capital available to each industry reflects the distribution of
machines purchased by firms in that industry throughout the sample. Because each industry’s
supply comprises various equipment types, we measure supply based on log equipment values
(as new) rather than equipment counts. Finally, we standardize LocalSupply to ease the
interpretation of our estimates. We include combinations of county-year and industry-year
fixed effects to absorb local and industry growth trends and cluster our standard errors at
the industry and county levels.
[Insert Table 7 About Here.]
Table 7 Panel A presents the results using a variety of start-up investment outcome
variables. Column (1) shows that young firms with better access to old capital invest more
in additional equipment between one and three years after their initial investment. A one-
20
standard-deviation increase in the amount of used capital available leads to a 9.4 percent
increase in subsequent capital investment.
While the result in column (1) is consistent with old capital supply facilitating survival
and growth of start-ups, it is also possible that the subsequent capital investments arise as
young firms need to replace their initial used-capital investment. To address this possibility,
in column (2) we examine the total machine types that a young firm invests in between one
and three years after its initial investment. We find that the supply of used equipment at the
time of initial investment results in a broader array of equipment purchases in the future. A
one-standard-deviation increase in the local supply of used capital at the time of a young
firm’s initial investment leads to a 7.3 percent increase in the number of equipment types a
firm invests in over the ensuing years.
In column (3) we examine young firm investment in new (unused) equipment between
one and three years after their initial equipment investment. We find that young firms
subsequently invest more in new equipment when their initial investment was facilitated by a
large supply of used equipment, with a one-standard-deviation increase in used capital supply
resulting in a 5.0 percent increase in future investment in new equipment. That is, young
firms do not simply subsist off of a supply of local used capital. Instead, early investment
opportunities enhanced by available used capital help young firms graduate into investment
in new capital.
As discussed above, the influence of local capital supply on entrepreneurial investment
hinges on the assumption that physical capital is difficult or costly to relocate. Machines
with a high weight-to-value ratio are more constrained to trade locally (as discussed in
Section 4.2), so we would expect the local supply of heavy equipment to impact new firm
investment more than the local supply of light equipment. To test this prediction, we replace
the local supply measure from Equation 4 with the HeavySupply and LightSupply, where
HeavySupply captures the log value of old equipment in the top quintile of weight-to-value
and LightSupply captures equipment in the bottom quintile.
The results are shown in Panel B. Across all measures of start-up growth and expansion,
only the supply of heavy equipment impacts subsequent investment. In each case, the impact
of light equipment is close to zero, while the difference between the effect of heavy and light
21
equipment supply has a p-value less than 1 percent.
Finally, we can benchmark the impact of old capital supply on the future investment and
growth of young firms against the impact on old firms. Given young firms’ preference for old
equipment, we would expect that young firm success is more sensitive to old capital supply.
In measuring young firm success, we capture follow-on investments after an initial investment.
When benchmarking against old firms, however, there is no natural first investment event.
Instead, for old firms, we choose a random investment and measure the amount of additional
investment one to three years after that randomly chosen investment.
In Panel C, we include old firms (ten years and older) and modify the regression from
Panel A, interacting an indicator for young firms with the LocalSupply. This allows us to
include even finer fixed effects at the county-industry-year level to account for any local
industry trends. These fixed effects absorb the main effect on the LocalSupply variable but
still allow us to capture the interaction of interest. Effectively, our estimates compare two
firms in the same county-industry who make an investment at the same time, one of which
is an old firm while the other is young. In columns (1) and (2), we find that young firms’
subsequent investments, in terms of both quantities and breadth of investment, is significantly
more sensitive to local capital supply than that old firms. Column (3) reveals no difference
between young and old firms in the impact of old capital supply on subsequent investment in
brand new machines. In conjunction with Panel A, the results indicate that local capital
supply facilitates future investment in new equipment for young and old firms alike. One
potential reason for this is that a healthy used capital market (made possible by healthy
young firms) allows older firms to refresh their capital stock more frequently, an implication
which we investigate further in the next section.
Table 7 indicates that local supply of old capital facilitates survival and growth of young
firms, conditional on a first investment for young firms. We now ask whether local capital
supply is important in creating start-ups in the first place. Returning to the specification
from Panel A of Table 7, we replace the dependent variable with Start-up Entry, as captured
by the EDA data. Specifically, for all firms that ever make a purchase in our dataset, we
capture the year of firm birth as well as the county-industry. Our estimates capture whether
more firms are born in a county-industry-year when the availability of old capital is high.
22
We report the results in Table 8. The sample includes only those county-industry-years
with at least one new start-up. The coefficient in column (1) suggests that a one-standard-
deviation increase in local used capital results in 0.26 more start-ups (relative to a mean of
1.3 and a standard deviation of 0.97). In column (2), we use the Heavy capital availability
and Light capital availability specification from Panel B of Table 7 to test whether start-up
activity is differentially dependent on the supply of immobile capital. We find this is the case,
with a p-value of 0.042 on the difference between heavy and light supply.
[Insert Table 8 About Here.]
Table 8 suggests that, in the presence of abundant used capital, more firms are born. By
lowering barriers to entry, we would expect that used capital also lowers the quality threshold
for the marginal new entrant. In light of this, the results in Table 7 are more surprising. Not
only are more start-ups born when there is a lot of used capital, but they are more likely to
survive and grow.
4.5. Young Firms and Incumbents’ Investment Decisions
Above we have shown that young firms benefit from the availability of used capital
originally bought and seasoned by older firms in the same location. Does young firms’ reliance
on old capital benefit the firms who already own the capital? In particular, we hypothesize
that existence of an active entrepreneurial sector will increase the base of potential buyers and
thus the overall thickness of the used equipment market. One implication of this increased
market thickness would be more frequent asset turnover (Gavazza, 2011b), implying more
frequent opportunities for all firms, including older firms, to upgrade physical capital more
quickly.
To study this, we examine the frequency of machine replacement, captured by the joint
observation of an acquired machine being sold (showing up as acquired by another firm)
and the same machine type being purchased. We then examine the probability of capital
replacement for a given machine conditional on a measure of the relative employment size
of young firms in the local economy that are natural users of the same equipment type. To
be clear, the unit of observation in this analysis is a purchase of physical equipment. Each
23
of these purchases can be characterized by the machine type, the location at the county
level, the industry of the firm, and year. The primary key dependent variables of interest is
whether the equipment is replaced over three, four, and five year time horizons.
Percentage of Young Firm Employment is the key independent variable and is designed
to capture variation in young firm demand by equipment type by measuring the relative
size (employment weighted) of local young firms divided by total firms in industries that
are active users of a given equipment type. This variable is calculated for each machine
type in each county-year. For each machine type, we measure the frequency with which it
is purchased in all possible industries (2-digit NAICS) to calculate industry weights (e.g.
tractors may be used 40 percent in construction and 60 percent in agriculture). For each
equipment type-county-year, we then average the number of young firm employees divided by
total employees in each county-industry, weighted by the propensity for industry to be a user
of the equipment type in question. If Durham, NC agriculture employment is 25 percent in
young firms and Durham. NC construction employment is 50 percent young firms, then we
would measure % of Young Firm Employment as 0.25 × 0.6 + 0.5 × 0.4 = 0.35—the weighted
average of % young firms by industry, weighted by the importance of each industry for that
equipment type. The raw young firm percentage by industry county employment is obtained
using Census LEHD QWI data as used in Adelino, Ma, and Robinson (2017) and Barrot and
Nanda (2019).
One advantage of this measure is that it varies even within the firm at a given point in
time, and certainly within an industry-county at a point in time. For example, a Durham
farmer will benefit from young firm demand for his tractors via local construction employment–
demand he might not enjoy for a combine-harvester which can only be used by agricultural
firms, which happen to be much older. This allows us to identify the effects of young firm
employment even with industry-county-time fixed effects, taking out local industry trends
in investment and turnover. As in prior tables, we will also exploit variation in equipment
weight-to-value to ensure the effects of local young firm employment matter more when
equipment is constrained to trade locally.
[Insert Table 9 About Here.]
24
Table 9 shows the results. All regressions include fixed effects at the level of year-county-
industry and machine type-county. Column (1)-(3) sequentially measure the impact on the
probability of replacing a machine in three, four, and five years. To deal with truncation, we
require three, four, and five years of remaining data for a given machine type to measure
replacement within three, four and five years, respectively. In all those specifications, we find
that the larger the presence of young firms is, the higher the probability of replacement over
a short window. Again, the effects are concentrated among heavy equipment, as measured by
the highest quintile of equipment type weight-to-value.
5. Conclusion
Economic growth is characterized and driven by its dynamism. At the extensive margin,
start-ups drive the business dynamism through their entry and entrepreneurial investment in
capital. At the intensive margin, the capital are often reallocated between firms with the goal
of satisfying heterogeneous capital needs in the production process. Given their importance,
recent work on business cycles dynamics and growth has emphasized the importance of young
firms and, separately, the process of capital reallocation. The observed relationships between
young firms and old firms in the same industry and geography highlight the deep connection
between these seemingly separate activities.
Our findings suggest that entrepreneurship activities are not isolated or independent
activities and, in fact, they are deeply connected to incumbent firms. While other work
has shown this through human capital connections (entrepreneurial spawning, acqui-hires,
etc.) and innovation relations (innovation flow, collaboration), this paper emphasizes the
reallocation of physical capital.
25
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27
Figure 1. Sample UCC Filings
Notes. This is an example UCC filing from the state of North Carolina, provided in Edgerton (2012).
28
Figure 2. Firm Age and Machine Age
Notes. This graph plots the average age of machines purchased by firms across different age groups (1 to 50years old), as well as the 95% confidence interval.
Figure 3. Trading Order and Machine Age
Notes. This graph plots the average age of machines purchased by firms across their own life cycles and the95% confidence interval, by focusing on a group of firms that have at least 10 transaction record, and followthrough the age of machines they purchase as the time evolves.
29
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30
Figure 5. Histogram of Reallocation Distance
Notes. This figure presents the histogram of reallocation distances (in miles) for equipment transactions. Thedistances are calculated based on the addresses provided in the UCC filings.
Figure 6. Weight-to-Value Ratio and Average Reallocation Distance
Notes. This figure presents binned scattered plot of the weight-to-value ratio and average travel distancefor different equipment types. Weight-to-value ratio is at the equipment type level, and is calculated as thelogarithm of the average equipment weight (in pounds) divided by the average price (in USD) when theequipment is sold new.
31
Figure 7. Effect of Local Old Capital Supply on Equipment Choice—By FirmAge
Notes. This figure plots the average response of equipment purchase choices on local old capital supply acrossdifferent firm age groups. The reported coefficients are estimated from the following model
I(Bought) = β × LocalOldCapital + δFE + ε,
using the fixed effects from column 1 of Table 6. We cut firm age groups into six groups that are reported inthe horizontal axis. 95% confidence intervals are reported for each estimated point.
32
Table 1Basic Summary Statistics
N Mean Std.Dev p25 Median p75
Firm age (years) 1,494,387 22 24 7 16 29Machine age (years) 1,494,387 4 7 0 1 5Value of equipment ($USD) 1,492,935 69,408 94,667 15,577 40,866 91,324Total number of employees 1,494,387 109 2,040 4 15 50Annual sales ($000 USD) 1,494,387 128,345 1,749,756 440 2,200 12,000
Notes. This table provides descriptive statistics on the equipment transactions in the sample. MachineAge is defined as the difference between the transaction date and the machine date of production. Value ofequipment is defined as the price of the equipment at transaction. Firm age is the difference between thetransaction date and the firm founding date. Total number of employees and annual sales are from Dun andBradstreet.
Table 2Firm Age and Machine Age in Equipment Transactions
(1) (2) (3) (4)Log(1+Machine Age)
Log(1+Firm Age) -0.104*** -0.105*** -0.083*** -0.089***[0.009] [0.010] [0.027] [0.008]
Observations 1,494,387 1,494,387 1,494,387 1,494,387R2 0.128 0.259 0.537 0.588Year x County FE Y YIndustry (SIC-3) FE Y YMachine Type FE YFirm FE YMachine FE Y
Notes. This table documents the relationship between buyer firm age and machine age in equipmenttransactions, based on the following model,
log(1 +Machine Age)i = β × log(1 + Firm Age)i + δFE + εi.
In these regressions, each transaction is indexed by the purchasing firm, its industry (3-digit SIC code),transaction year, machine type and the machine itself. Machine Age is the number of years between theoriginal manufacture date and the date of transaction, Firm Age is the number of years between the firmfounding date and the date of transactions. Both age variables are measured as the logarithm of one plusage. Standard errors clustered at the machine type level are displayed in brackets. ***, **, and * indicatesignificance at the 1%, 5%, and 10% levels, respectively.
33
Table
3F
irm
Age
and
Mach
ine
Age—
Cre
dit
Condit
ions
and
Model
Age
(1)
(2)
(3)
(4)
(5)
Log
(1+
Mac
hin
eA
ge)
Log(1
+M
od
elA
ge)
Log
(1+
Fir
mA
ge)
-0.1
03**
*-0
.111
***
-0.1
01**
*-0
.108
***
-0.0
03
[0.0
10]
[0.0
08]
[0.0
10]
[0.0
11]
[0.0
02]
Log
(1+
Fir
mA
ge)
xI(
Sh
ale
Sh
ock
)0.
019*
*0.
021*
**[0
.008
][0
.008
]L
og(1
+F
irm
Age
)x
Lea
sin
g0.
061*
**0.
074*
**[0
.011
][0
.007
]
Ob
serv
atio
ns
683,
025
683,
025
2,63
3,81
02,
633,
810
845,8
48
R2
0.22
10.
339
0.16
60.
289
0.2
64
Yea
rx
Cou
nty
FE
YY
YY
YIn
du
stry
(SIC
-3)
FE
YY
YY
YM
ach
ine
Typ
eF
EY
YY
Lea
sin
gF
EY
Y
Notes.
Th
ista
ble
stu
die
sth
ere
lati
onsh
ipb
etw
een
bu
yer
firm
age
and
mac
hin
eag
ein
equ
ipm
ent
tran
sact
ion
s,b
ased
onth
efo
llow
ing
mod
el,
log(1
+MachineAge)
i=β×
log(1
+FirmAge)
i×ShaleShock/Leasing i
+δ F
E+ε i.
Th
em
od
else
tup
issi
mil
ar
toth
at
inT
ab
le2.
Inco
lum
ns
(1)
an
d(2
),w
ein
tera
ctth
efi
rmage
vari
ab
lew
ith
ad
um
my
vari
ab
lein
dic
ati
ng
abov
e-m
edia
nav
aila
bilit
yof
cred
itth
atar
etr
ansm
itte
dto
loca
lbra
nch
esfr
omsh
ale
oil
shock
thro
ugh
the
ban
kin
tern
alnet
wor
k,
follow
ing
the
defi
nit
ion
ofG
ilje
,L
outs
kin
a,an
dStr
ahan
(201
6).
The
sam
ple
size
dro
ps
inth
isse
tof
regr
essi
ons
bec
ause
the
shal
eoi
lsh
ock
isre
leva
nt
only
afte
r20
00.
Inco
lum
ns
(3)
and
(4),
we
use
bot
hth
em
ain
sam
ple
ofm
ach
ine
pu
rch
ases
and
mac
hin
ele
ases
.W
ein
tera
ctth
efi
rmag
eva
riab
lew
ith
ava
riab
lein
dic
atin
gle
asin
gd
eals
.In
colu
mn
(5),
the
dep
end
ent
vari
able
ism
od
elag
eof
the
mac
hin
e,w
hic
his
calc
ula
ted
asth
enu
mb
erof
yea
rsb
etw
een
the
tran
sact
ion
an
dth
ein
trod
uct
ion
of
the
spec
ific
make
an
dm
od
el.
Th
ean
aly
sis
isp
erfo
rmed
on
the
tran
sact
ion
sof
new
mach
ines
.S
tan
dard
erro
rscl
ust
ered
at
the
mach
ine
typ
ele
vel
are
dis
pla
yed
inb
rack
ets.
***,
**,
an
d*
ind
icate
sign
ifica
nce
at
the
1%
,5%
,an
d10
%le
vels
,re
spec
tive
ly.
34
Table 4Nonincidental Sample Selection
Panel A: Machine Age and Sample Selection.
(1) (2) (3)Selection into Sample
New Machine 0.016*** 0.006 0.016***[0.006] [0.005] [0.005]
Log(1+Machine Age) 0.002 -0.003 0.009[0.003] [0.004] [0.006]
Observations 67,764 67,764 67,764R2 0.005 0.061 0.242Year FE Y YMachine Type FE YMachine Make-Model FE Y
Panel B: Selection-free Analysis on Firm Age and Machine Age.
(1) (2) (3) (4)Log(Machine Age)
Full Sample (Table 2) Machine Age ≥ 1 Only
Log(1+Firm Age) -0.104*** -0.105*** -0.087*** -0.085***[0.009] [0.010] [0.005] [0.004]
Observations 1,494,387 1,494,387 958,572 958,572R2 0.128 0.259 - -Estimation Methods OLS Truncated RegressionYear X County FE Y Y Y YIndustry (SIC-3) FE Y Y Y YMachine Type FE Y Y
Notes. Panel A documents the relationship between sample inclusion/exclusion and machine age. A missingsale is defined as a machine which did not reappear as a retail sale or lease within one year of being reportedas part of an equipment dealer’s wholesale floorplan financing. Columns (2) and (3) include fixed effects atthe machine type and machine make and model level. Standard errors clustered at the machine type level aredisplayed in brackets. ***, **, and * indicate significance at the 1%, 5%, and 10% levels, respectively.
Panel B compares the full sample relationship between firm age and machine age (columns 1 and 2)with the same for the subset of used machines which are selection-free (columns 3 and 4). The usedmachine-analysis is estimated using truncated regressions. Standard errors clustered at the machinetype level are displayed in brackets. ***, **, and * indicate significance at the 1%, 5%, and 10%levels, respectively.
35
Table 5Machine Age and Geographical Patterns of Equipment Transactions
(1) (2) (3) (4)Log(Moving Distance) I(Same-County)
Log(1+Machine Age) -0.090*** 0.016***[0.016] [0.003]
Number (order of transactions) -0.081*** 0.017***[0.021] [0.003]
Observations 221,279 221,279 221,279 221,279R2 0.141 0.141 0.114 0.114Year FE Y Y Y YIndustry (SIC-3) FE Y Y Y YMachine Type FE Y Y Y YBuyer County FE Y Y Y YSeller County FE Y Y Y Y
Notes. This table documents the relationship between the moving distance of a machine in a transact andmachine age, based on the following model for each transaction i in year-quarter t,
Distancei = β ×Machine Agei + δFE + εi.
Machine Age is first captured using the number of years between the original manufacture date and the dateof transaction (columns 1 and 3). As an alternative measure to capture machine age, we construct the orderof transactions as the number of transactions the machine went through prior to i (columns 2 and 4). Wecapture moving Distance in two ways—the logarithm of the distance between the buyer and the seller of amachine (in miles) in columns (1) and (2), and a dummy variable indicating whether the transaction wasbetween two parties in the same county in columns (3) and (4). In all analyses we control for fixed effects atthe level of year, industry, machine type, buyer county, and seller county. Standard errors clustered at themachine type level are displayed in brackets. ***, **, and * indicate significance at the 1%, 5%, and 10%levels, respectively.
36
Table 6Equipment Purchase Choice and Local Old Capital Supply
(1) (2) (3)I (Bought) = 1
Local Old Capital 0.204*** 0.203*** 0.205***[0.000] [0.000] [0.000]
Young x Local Old Capital 0.006*** 0.005***[0.001] [0.001]
Young x Local Old Capital x Heavy 0.009***[0.003]
Observations 1,796,465 1,796,465 1,796,465R2 0.260 0.260 0.261Fixed Effects Year×County×Industry×Machine CategoryFully Saturated Model Y Y Y
Notes. This table studies the equipment purchase choice of firms in response to local old capital supply. Foreach realized transaction, we construct a set of “pseudo transactions” by pairing the buyer and all the otherpossible equipment types under the same equipment category. With the unit of observation being a potentialmachine purchase, and the outcome of interest whether or not a given machine was chosen, we then estimatethe differential effect of used capital supply on old and young firms under the model below:
I(Bought) =β × LocalOldCapital × Y oung+
β′ × LocalOldCapital + β′′ × Y oung + δFE + ε,
I(Bought) indicates whether the pair is a realized transaction (= 1) or a pseudo pair. Local Old Capital isthe old capital supply calculated from the natural aging of capital. Heavy is indicated as that the machinetype is at the top quintile of the weight-to-value ratio. Standard errors clustered at the transaction level(grouped by a real transaction and its paired pseudo transactions) are displayed in brackets. ***, **, and *indicate significance at the 1%, 5%, and 10% levels, respectively.
37
Table 7Local Old Capital Availability and Start-up Investment
Panel A: Old Capital Supply and Young Firm Growth
(1) (2) (3)Log(Total Investment) Log(New Machine Types) Log(New Machines)
Local Old Capital 0.094*** 0.073*** 0.050***[0.020] [0.016] [0.013]
Observations 73,584 73,584 73,584R2 0.216 0.241 0.195Year-Industry FE Y Y YCounty-Year FE Y Y Y
Panel B: Heavy vs. Light Machines
(1) (2) (3)Log(Total Investment) Log(New Machine Types) Log(New Machines)
Local Heavy Capital 0.054*** 0.039*** 0.032***[0.012] [0.009] [0.007]
Local Light Capital 0.002 0.004 -0.004[0.007] [0.005] [0.006]
Observations 73,584 73,584 73,584R2 0.216 0.241 0.195Year-Industry FE Y Y YCounty-Year FE Y Y Yp-value of Heavy vs. Light 0.000 0.000 0.000
38
Panel C: Young vs. Old
(1) (2) (3)Log(Total Investment) Log(New Machine Types) Log(New Machines)
Local Old Capital x Young 0.020*** 0.019*** 0.006[0.007] [0.004] [0.005]
Young 0.019** 0.016*** -0.001[0.008] [0.006] [0.006]
Observations 382,310 382,310 382,310R2 0.377 0.392 0.367County-Industry-Year FE Y Y Y
Notes. This table examines the relationship between start-up investment behaviors and local old capitalavailability, based on the following model
Investmenti = β × LocalOldCapitali + δFE + εi.
Local Old Capital is the old capital availability calculated from the natural aging of capital in the county-industry-year. Investment is measured in three ways—total investment measured as the number of machines,total number of new machine types, and the number of machines that are purchased as new. Heavy andLight machines are defined as the top and bottom quitile of the weight-to-value ratio, respectively. Standarderrors are double clustered at industry and county level and are displayed in brackets. ***, **, and * indicatesignificance at the 1%, 5%, and 10% levels, respectively.
39
Table 8Local Old Capital Availability and Start-up Entry
(1) (2)Log(Start-up Entry)
Local Old Capital 0.259***[0.092]
Local Heavy Capital 0.125***[0.033]
Local Light Capital 0.065**[0.030]
Observations 86,974 86,974R2 0.262 0.261Year-Industry FE Y YCounty-Year FE Y Yp-value of Heavy vs. Light 0.042
Notes. This table examines the relationship between start-up entry and local old capital availability, basedon the following model
StartupEntryi = β × LocalOldCapitali + δFE + εi.
The analysis uses a sample at the county-industry-year level. Local Old Capital is the old capital availabilitycalculated from the natural aging of capital in the county-industry-year. Start-up entry the number of newmachine-purchasing firms captured by the UCC data. Heavy and Light machines are defined as the top andbottom quitile of the weight-to-value ratio, respectively. Standard errors are double clustered at industry andcounty level and are displayed in brackets. ***, **, and * indicate significance at the 1%, 5%, and 10% levels,respectively.
40
Table 9Holding Period of Machines
(1) (2) (3) (4)Replace
≤ 3 Years ≤ 4 Years ≤ 5 Years
% of Young Firms 0.021** 0.032** 0.029** 0.038*[0.010] [0.013] [0.013] [0.022]
% of Young Firms x Heavy 0.121**[0.046]
Observations 644,529 617,656 556,213 550,881R2 0.159 0.168 0.173 0.245Year-County-Industry FE Y Y Y YIndustry-Machine Type FE Y Y Y Y
Notes. This table documents the relationship between the holding period of a machine acquired in transactioni and the % of young firms in the same county and industries that may demand the equipment, based on thefollowing model
Holding Periodi = β × % of Y oung Firms+ εi.
Holding Period is captured using whether the machine is held for less than five years. % of Young Firmsis the percentage of firms in the 0-3 year-old category in the same county, averaged across industries thathave historical purchase history of the specific machine type. We also perform the same analysis with thedependent variable focusing replacement, which is jointly defined by selling and buying a newer machinesimultaneously. Standard errors are clustered at the machine type level and are displayed in brackets. ***,**, and * indicate significance at the 1%, 5%, and 10% levels, respectively.
41
Online Appendix (Not For Publication)
A. Additional Details on Data and Measurements
A.1. Constructing Shale Shocks
We also utilize a cross-sectional measure for local liquidity based on Gilje, Loutskina,
and Strahan (2016) that traces deposit shocks due to shale oil discoveries across the branch
network of banks receiving large dollar inflows related to shale discoveries. We use data from
2000 to 2010 provided by Gilje, Loutskina, and Strahan (2016) capturing the timing and
magnitude of major shale discoveries in seven states: Arkansas, Louisiana, North Dakota,
Oklahoma, Pennsylvania, Texas, and West Virginia. For each bank with a branch in the
county receiving a windfall, the liquidity measure allocates a proportional fraction of the
shock, captured using the number of wells discovered, to active banks based on their fraction
of total deposits held in a windfall county. This generates a bank-quarter level variable which
we average at the county-quarter in non-windfall counties using the weight of those banks in
the county. Formally, the variable Shale Shock is defined as
ShaleShockc,t =∑
b∈B(c)
BankWeightb,c,t×∑c∈C
BankWeightb,c,t×BankShareb,c,t×Wc,t. (5)
Wc,t is the number of oil wells that have been discovered in county c by year t; BankShareb,c,t
is the fraction of deposits that bank b holds in county c in year t as a fraction of total deposit
in that county-year; and BankWeightb,c,t is the fraction of deposits that bank b holds in
county c in year t as a fraction of total deposits in that bank-year. Ideally, the measure
will allow us to capture cross-sectional variation in local lending conditions generated by
predetermined geography of bank branch networks, while avoiding the demand effects of local
economic conditions associated directly with a shale discovery.
A.2. Shipping Cost and Weight
Importantly, we logarize the weight in the numerator. This is because shipping cost of
equipment is with a logarithm relation, rather than a linear relation, with the equipment
weight. Conceptually, this non-linearity is due to that equipment shipping cost being a
A1
combination of a fixed cost and a variable cost increasing with weight. Empirically, we
document this nonlinear log-like relation in Figure A1.
Figure A1. Relation between Equipment Weight and Shipping Cost
Notes. This figure plots the average response of equipment purchase choices on local old capital supply acrossdifferent firm age groups. The reported coefficients are estimated from the following model
In specific, we construct a data set of real world shipping cost of equipment using heavy
equipment shipping broker website uShip.6 with the goal of characterizing the weight-cost
relation. For each equipment weight (created at the interval of every 200 lbs), we quote 40
different shipping routes, identical across all weights, ranging from same-county to roughly
3,000 miles. The average shipping cost across those routes can be viewed as a good proxy of
transportation expenses of each equipment after averaging out the influence of any particular
route or distance. In Figure A1, we plot this average shipping cost against weight, and see a
clearly non-linear relation that fits a log-function well.
6Data can be accessed at: www.uship.com.
A2
B. Additional Results
Figure A2. Firm Age and Machine Age—Used Capital Only
Notes. This graph plots the average age of machines purchased by firms across different age groups (1 to 20years old), as well as the 95% confidence interval. The graph uses only transactions of used machines.
A3
Table A1Machine Transactions Tabulated by Buyer Industries
No of Obs Percentage
Consumer NonDurables 168,011 11.11Consumer Durables 21,447 1.42Manufacturing 130,794 8.65Oil, Gas, and Coal Extraction and Products 25,494 1.69Chemicals and Allied Products 5,515 0.36Business Equipment 5,521 0.37Telephone and Television Transmission 1,987 0.13Utilities 4,059 0.27Wholesale, Retail 115,548 7.64Healthcare, Medical Equipment, and Drugs 43,834 2.9Finance 24,421 1.62Mining 20,628 1.36Construction 745,785 49.34Transportation 55,129 3.65Hotel 2,024 0.13Business Service 31,946 2.11Others 109,504 7.24
Total 1,511,647 100
Notes. This table provides descriptive statistics on machine transactions covered in the paper’s main analysissample. Machine transaction records are from the universe of UCC financial statement filings from 1990. Thetable report transactions based on buyer industries across the Fama-French 12 industries, where the “other”industry in Fama-French 12 is further decomposed to mining, construction, transportation, hotel, businessservice, and others.
A4
Table A2Main Results with Inverse Hyperbolic Sine Transformation
(1) (2) (3) (4)IHS(Machine Age)
IHS(Firm Age) -0.099*** -0.100*** -0.082*** -0.085***[0.009] [0.010] [0.027] [0.008]
Observations 1,494,387 1,494,387 1,494,387 1,494,387R-squared 0.128 0.262 0.541 0.599Year X County FE Y YIndustry (SIC-3) FE Y YMachine Type FE YFirm FE YMachine FE Y
Notes. This table reproduces Table 2 with firm age and machine age variables being transformed using inversehypobolic sine transformation instead of logarithm.
A5
Table A3Main Results with Size Control
Panel A: Add Total Employment As Controls
(1) (2) (3) (4)Log(1+Machine Age)
Log(1+Firm Age) -0.048*** -0.053*** -0.047*** -0.020***[0.005] [0.005] [0.011] [0.005]
Log(Total Number of Employees) -0.119*** -0.118*** 0.007 -0.015***[0.012] [0.013] [0.008] [0.004]
Observations 1,535,050 1,535,050 1,535,050 1,535,050R-squared 0.155 0.285 0.559 0.958Year-County FE Y Y Y YIndustry (SIC-3) FE Y Y YMachine Type FE YFirm FE YMachine FE Y
Panel B: Add Total Sales As Controls
(1) (2) (3) (4)Log(1+Machine Age)
Log(1+Firm Age) -0.036*** -0.041*** -0.048*** -0.019***[0.005] [0.004] [0.011] [0.005]
Log(Annual Sales) -0.098*** -0.098*** -0.019 -0.012***[0.010] [0.012] [0.019] [0.004]
Observations 1,556,704 1,556,704 1,556,704 1,556,704R-squared 0.158 0.286 0.556 0.958Year-County FE Y Y Y YIndustry (SIC-3) FE Y Y YMachine Type FE YFirm FE YMachine FE Y
Notes. This table reproduces Table 2 with adding size controls, where size is measured using number ofemployees and annual sales from Dun and Bradstreet.
A6