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Does Anti-Diversification Pay? A One-Sided Matching Model of Microcredit

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  • Thilo Klein

Abstract

In many economic situations, market participation requires that agents form groups subject to exogenous rules. Consider a microfinance institution that decides on rules for diversifying borrower groups in terms of their exposure to income shocks. Such rules affect group repayment by influencing both who matches with whom (direct effect) and who participates in the market (participation). I develop the key trade-off for conflicting predictions of extant theoretical models and estimate both effects separately. Group formation creates an endogeneity problem, but a matching model exploits the exogenous variation from counterfactual groups. I find that while diversification has no participation effect it has a significant positive direct effect.

Suggested Citation

  • Thilo Klein, 2015. "Does Anti-Diversification Pay? A One-Sided Matching Model of Microcredit," Cambridge Working Papers in Economics 1521, Faculty of Economics, University of Cambridge.
  • Handle: RePEc:cam:camdae:1521
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    More about this item

    Keywords

    microcredit; joint liability risk; diversification; market design; stable matching; endogeneity; selection model; agriculture; Thailand;
    All these keywords.

    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C31 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models
    • C34 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Truncated and Censored Models; Switching Regression Models
    • C36 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Instrumental Variables (IV) Estimation
    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • C57 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Econometrics of Games and Auctions
    • D02 - Microeconomics - - General - - - Institutions: Design, Formation, Operations, and Impact
    • D47 - Microeconomics - - Market Structure, Pricing, and Design - - - Market Design
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • Q14 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Finance

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