I study the impact of lenders' environmental responsibility. The empirical setting exploits the U.S. Lender Liability Act of 1996, which reduced lenders' exposure to the environmental clean-up costs attached to some of their debtors' collateral, and employs difference-indifferences specifications estimated using EPA and U.S. Census microdata. Firms whose lenders face lower environmental liability risks increase pollution, reduce investment in abatement technologies by 14.7%, while experiencing small production and employment distortions. Lenders facing higher liability risks offer loans with less favorable pricing, thus financially incentivizing firms to become more environmentally responsible, and potentially monitor borrowers via shorter debt maturity.
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Measuring The Impact Of The Toxics Release Inventory: Evidence From Manufacturing Plant Births
March 2013
Working Paper Number:
CES-13-07
The Toxics Release Inventory was the first major initiative to take a disclosurebased approach to environmental regulation and has served as the model for several other disclosure-based environmental policies. Yet the magnitude of its direct impacts on industrial manufacturing outcomes has not been established. I use Census Bureau micro-data to estimate the impacts of the Toxics Release Inventory on the opening of new manufacturing plants. I find that on average, counties that were found to be among the dirtiest in the country, in terms of toxic emissions, experienced a decrease in 'dirty' plant births and an even larger increase in 'clean' plant births. Furthermore, the magnitude of this shift is closely related to per capita income in the affected coun- ties - the effect is strongest in high-income communities and is reversed in low-income communities. I discuss the implications for information-based environmental policies.
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Specialization in a Knowledge Economy
December 2025
Working Paper Number:
CES-25-77
Using firm-level data from the US Census Longitudinal Business Database (LBD), this paper exhibits novel evidence about a wave of specialization experienced by US firms in the 1980s and 1990s. Specifically: (i) Firms, especially innovating ones, decreased production scope, i.e., the number of industries in which they produce. (ii) Innovation and production separated, with small firms specializing in innovation and large firms in production. Higher patent trading efficiency and stronger patent protection are proposed to explain these phenomena. An endogenous growth model is developed with potential mismatches between innovation and production. Calibrating the model suggests that increased trading efficiency and better patent protection can explain 20% of the observed production scope decrease and 108% of the innovation and production separation. They result in a 0.64 percent point increase in the annual economic growth rate. Empirical analyses provide evidence of causality from pro-patent reforms in the 1980s to the two specialization patterns.
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Creditor Rights, Technology Adoption, and
Productivity: Plant-Level Evidence
April 2018
Working Paper Number:
CES-18-20
I analyze the impact of stronger creditor rights on productivity using plant-level data from the U.S. Census Bureau. Following the adoption of anti-recharacterization laws that give lenders greater access to the collateral of firms in financial distress, total factor productivity of treated plants increases by 2.6 percent. This effect is mainly observed among plants belonging to financially constrained firms. Furthermore, treated plants invest in capital of younger vintage and newer technology, and become more capital-intensive. My results suggest that stronger creditor rights relax borrowing constraints and help firms adopt more efficient production technologies.
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Creditor Rights, Technology Adoption, and Productivity: Plant-Level Evidence
January 2017
Working Paper Number:
CES-17-36
I analyze the impact of strengthening of creditor rights on productivity using plant-level data from the U.S. Census Bureau. Following the adoption of anti-recharacterization laws that improve the ability of lenders to access the collateral of the firm, total factor productivity of treated plants increases by 2.6 percent. This effect is mainly observed among plants belonging to financially constrained firms. Furthermore, treated plants invest in capital of younger vintage and newer technology, and become more capital-intensive. My results suggest that strengthening of creditor rights leads to a relaxation in borrowing constraints, and helps firms adopt a more efficient production technology.
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Pollution Havens and the Trade in Toxic Chemicals: Evidence from U.S. Trade Flows
June 2010
Working Paper Number:
CES-10-12
Does increased environmental protection decrease the emission of pollutants or merely displace them? Using newly available trade data, this study examines the flows of a panel of chemicals designated as toxic by the U.S. Environmental Protection Agency's Toxics Release Inventory (TRI). Estimates from a differences-in-differences model indicate a significant increase in net imports when a chemical is listed on TRI, which suggests production offshoring. Furthermore, I find that increased imports due to this 'pollution haven effect' are sourced disproportionately from poorer countries, which are likely to have lower environmental protection standards. At the same time, I observe the bulk of American trade in toxic chemicals occurs with other wealthy countries, which may be attributed to the capital intensity of chemical production.
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OFFSHORING POLLUTION WHILE OFFSHORING PRODUCTION*
January 2016
Working Paper Number:
CES-16-09R
We examine the role of firm strategy in the global combat against pollution. We find that U.S. plants release less toxic emissions when their parent firm imports more from low-wage countries (LWCs). Consistent with the Pollution Haven Hypothesis, goods imported by U.S. firms from LWCs are in more pollution-intensive industries; U.S. plants shift production to less pollution-intensive industries, produce less waste, and spend less on pollution abatement when their parent imports more from LWCs. The negative impact of LWC imports on emissions is stronger for U.S. plants located in counties with greater institutional pressure for environmental performance, but weaker for more-capable U.S. plants and firms. These results highlight the role of local institutions and firm capability in explaining firms' choice of offshoring and environmental strategy.
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Cross Sectional Variation In Toxic Waste Releases From The U.S. Chemical Industry
August 1994
Working Paper Number:
CES-94-08
This paper measures and examines the 1987 cross sectional variation in toxic releases from the U.S. chemical industry. The analysis is based on a unique plant level data set of over 2,100 plants, combining EPA toxic release data with Census Bureau data on economic activity. The main results are that intra-industry variation in toxic releases are as great as, or greater, than inter-industry variation, and that plant, firm, and regulatory characteristics are important factors in explaining observed variation in toxic releases. Even after controlling for primary product and plant characteristics, there are some firms that generate significantly lower toxic waste due to managerial ability and/or technology differences.
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Air Pollution Abatement Costs Under the Clean Air Act: Evidence from the PACE Survey
December 2001
Working Paper Number:
CES-01-12
This paper uses establishment-level data from the U.S. Census Bureau's Pollution Abatement Costs and Expenditures (PACE) survey to investigate the effects of air quality regulation on the air pollution abatement capital expenditures and operating costs of manufacturing plants from 1979-1988. Results, based on some 90,000 observations, show that heavy emitters of the 'criteria' air pollutants (covered under the Clean Air Act) had significantly larger APA costs, and those subject to greater 'local' regulation (due to county NAAQS non-attainment) had expenditures that were greater still. The local regulation of a particular air pollutant generally resulted in hundreds of thousands of dollars (or more) of additional costs, with larger establishments and capital expenditures disproportionately affected. Federal and state environmental standards appear to have played a notable role, particularly in industries producing chemicals, petroleum, primary metals, and nonmetallic minerals. The findings of this paper support those of several recent studies.
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Capital Structure And Product Market Rivalry: How Do We Reconcile Theory And Evidence?
February 1995
Working Paper Number:
CES-95-03
This paper presents empirical evidence on the interaction of capital structure decisions and product market behavior. We examine when firms recapitalize and increase the proportion of debt in their capital structure. The evidence in this paper shows that firms with low productivity plants in highly concentrated industries are more likely to recapitalize and increase debt financing. This finding suggests that debt plays a role in highly concentrated industries where agency costs are not significantly reduced by product market competition. Following the empirical evidence we introduce the "strategic investment" effects of debt and argue that this effect, in conjunction with agency costs, appears to fit the data.
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Same Shock, Separate Channels: House Prices and Firm Performance in the Great Recession
January 2026
Working Paper Number:
CES-26-03
Combining confidential business-level microdata with housing and banking data, I document large and persistent effects of local house prices on employment at small businesses, and particularly young businesses, during the Great Recession. I show that the effect on entry is important for explaining the disproportionate effect on young businesses, while young firm exit is also disproportionately affected. I then explore the channels through which house prices affect business outcomes. I use survey data to show that reliance on either personal assets or home equity is associated with increased sensitivity to house prices. I then use local bank balance sheet information to show both young and old firms are sensitive to local credit shocks, with some evidence of a larger effect on young businesses. I develop a macroeconomic model that is consistent with these findings where house prices work through two channels: a bank credit supply channel and a housing collateral channel.
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