NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Daniel Paravisini

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Working Papers

August 2013The Incentive Effect of IT: Randomized Evidence from Credit Committees
with Antoinette Schoar: w19303
We distinguish the impact of information technology adoption on information processing costs and agency costs by conducting a randomized control trial with a bank that adopts a new credit-scoring tool. The availability of scores significantly increases credit committees' effort and output on difficult- to-evaluate loan applications. Output increases almost as much in a treatment where the committee receives no new information, but anticipates the score becoming available after it evaluates an application, which suggests that scores reduce incentive problems inside the credit committee. We also show that scores improve efficiency by decentralizing decision-making and equalizing marginal returns across loans.
May 2012Cultural Proximity and Loan Outcomes
with Raymond Fisman, Vikrant Vig: w18096
We present evidence that shared codes, religious beliefs, ethnicity - cultural proximity - between lenders and borrowers improves the efficiency of credit allocation. We identify in-group preferential treatment using dyadic data on the religion and caste of bank officers and borrowers from a bank in India, and a rotation policy that induces exogenous matching between officers and borrowers. Cultural proximity increases lending on both intensive and extensive margins and improves repayment performance, even after the in-group officer is replaced by an out-group one. Further, cultural proximity increases loan dispersion and reduces loan to collateral ratios. Our results imply that cultural proximity mitigates informational problems that adversely affect lending, which in turn relaxes financi...
April 2011Dissecting the Effect of Credit Supply on Trade: Evidence from Matched Credit-Export Data
with Veronica Rappoport, Philipp Schnabl, Daniel Wolfenzon: w16975
We estimate the elasticity of exports to credit using matched customs and firm-level bank credit data from Peru. To account for non-credit determinants of exports, we compare changes in exports of the same product and to the same destination by firms borrowing from banks differentially affected by capital-flow reversals during the 2008 financial crisis. We find that credit shocks affect the intensive margin of exports, but have no significant impact on entry or exit of firms to new product and destination markets. Our results suggest that credit shortages reduce exports through raising the variable cost of production, rather than the cost of financing sunk entry investments.
June 2010Risk Aversion and Wealth: Evidence from Person-to-Person Lending Portfolios
with Veronica Rappoport, Enrichetta Ravina: w16063
We estimate risk aversion from the actual financial decisions of 2,168 investors in Lending Club (LC), a person-to-person lending platform. We develop a methodology that allows us to estimate risk aversion parameters from each portfolio choice. Since the same individual makes repeated investments, we are able to construct a panel of risk aversion parameters that we use to disentangle heterogeneity in attitudes towards risk from the elasticity of investor-specific risk aversion to changes in wealth. In the cross section, we find that wealthier investors are more risk averse. Using changes in house prices as a source of variation, we find that investors become more risk averse after a negative wealth shock. These preferences consistently extrapolate to other investor decisions within LC.

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