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Working Paper
Market exposure and endogenous firm volatility over the business cycle
First Draft: November 1, 2011 We propose a theory of endogenous firm-level volatility over the business cycle based on endogenous market exposure. Firms that reach a larger number of markets diversify market-specific demand risk at a cost. The model is driven only by total factor productivity shocks and captures the business cycle properties of firm-level volatility. Using a panel of U.S. firms (Compustat), we empirically document the countercyclical nature of firm-level volatility. We then match this panel to Compustat?s Segment data and the U.S. Census?s Longitudinal Business Database (LBD) ...
Working Paper
Misallocation, informality, and human capital: understanding the role of institutions
Accepted for publication, Journal of Economic Dynamics and Control The aim of this paper is to quantify the role of formal-sector institutions in shaping the demand for human capital and the level of informality. We propose a firm dynamics model where firms face capital market imperfections and costs of operating in the formal sector. Formal firms have a larger set of production opportunities and the ability to employ skilled workers, but informal firms can avoid the costs of formalization. These firm-level distortions give rise to endogenous formal and informal sectors and, more importantly, ...
Working Paper
Relationship Networks in Banking Around a Sovereign Default and Currency Crisis
We study how banks? exposure to a sovereign crisis gets transmitted onto the corporate sector. To do so we use data on the universe of banks and ?rms in Argentina during the crisis of 2001. We build a model characterized by matching frictions in which ?rms establish (long-term) relationships with banks that are subject to balance sheet disruptions. Credit relationships with banks more exposed to the crisis su?er the most. However, this relationship-level e?ect overstates the true cost of the crisis since profitable ?rms (e.g., exporters after a devaluation) might ?nd it optimal to switch ...