Expanding Microenterprise Credit Access: Using Randomized Supply Decisions to Estimate the Impacts in Manila
Dean S. Karlan
Dartmouth College; Innovations for Poverty Action; Jameel Poverty Action Lab; National Bureau of Economic Research (NBER)
July 15, 2009
Yale Economics Department Working Paper No. 68
Yale University Economic Growth Center Discussion Paper No. 976
Microcredit seeks to promote business growth and improve well-being by expanding access to credit. We use a field experiment and follow-up survey to measure impacts of a credit expansion for microentrepreneurs in Manila. The effects are diffuse, heterogeneous, and surprising. Although there is some evidence that profits increase, the mechanism seems to be that businesses shrink by shedding unproductive workers. Overall, borrowing households substitute away from labor (in both family and outside businesses), and into education. We also find substitution away from formal insurance, along with increases in access to informal risk-sharing mechanisms. Our treatment effects are stronger for groups that are not typically targeted by microlenders: male and higher-income entrepreneurs. In all, our results suggest that microcredit works broadly through risk management and investment at the household level, rather than directly through the targeted businesses.
Number of Pages in PDF File: 35
Keywords: microfinance, microcredit, microentreprenuership, risk sharing, formal and informal
JEL Classification: O1, D1, D2, G2working papers series
Date posted: September 9, 2009 ; Last revised: March 7, 2010
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