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Title: Breaking the Spell with Credit-Easing: Self-Confirming Credit Crises in Competitive Search Economies

Author(s): Gaetano Gaballo and Ramon Marimon

Publication Date: February 2016

Keyword(s): credit crisis, directed search, learning, self-confirming equilibrium, social experimentation and unconventional policies

Programme Area(s): Monetary Economics and Fluctuations

Abstract: We show that credit crises can be Self-Confirming Equilibria (SCE), which provides a new rationale for policy interventions like, for example, the FRB's TALF credit-easing program in 2009. We introduce SCE in competitive credit markets with directed search. These markets are efficient when lenders have correct beliefs about borrowers' reactions to their offers. Nevertheless, credit crises - where high interest rates self-confirm high credit risk - can arise when lenders have correct beliefs only locally around equilibrium outcomes. Policy is needed because competition deters the socially optimal degree of information acquisition via individual experiments at low interest rates. A policy maker with the same beliefs as lenders will find it optimal to implement a targeted subsidy to induce low interest rates and, as a by-product, generate new information for the market. We provide evidence that the 2009 TALF was an example of such Credit Easing policy. We collect new micro-data on the ABS auto loans in the US before and after the policy intervention, and we test, successfully, our theory in this case.

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Bibliographic Reference

Gaballo, G and Marimon, R. 2016. 'Breaking the Spell with Credit-Easing: Self-Confirming Credit Crises in Competitive Search Economies'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=11135