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A finite-life private-information theory of unsecured consumer debt

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  • Chatterjee, Satyajit
  • Corbae, Dean
  • Ríos-Rull, José-Víctor
Abstract
We present a theory of unsecured consumer debt that does not rely on utility costs of default or on enforcement mechanisms that arise in repeated-interaction settings. The theory is based on private information about a person's type and on a person's incentive to signal his type to entities other than creditors. Specifically, debtors signal their low-risk status to insurers by avoiding default in credit markets. The signal is credible because in equilibrium people who repay are more likely to be the low-risk type and so receive better insurance terms. We explore two different mechanisms through which repayment behavior in the credit market can be positively correlated with low-risk status in the insurance market. Our theory is motivated in part by some facts regarding the role of credit scores in consumer credit and auto insurance markets.

Suggested Citation

  • Chatterjee, Satyajit & Corbae, Dean & Ríos-Rull, José-Víctor, 2008. "A finite-life private-information theory of unsecured consumer debt," Journal of Economic Theory, Elsevier, vol. 142(1), pages 149-177, September.
    • Handle: RePEc:eee:jetheo:v:142:y:2008:i:1:p:149-177
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