Perverse cross-subsidization in the credit market

Coco, G. & Pignataro, G. (2011). Perverse cross-subsidization in the credit market (Report No. 11/01). London, UK: Department of Economics, City University London.

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Abstract

We show how asymmetric information and borrowers' heterogeneity in wealth may produce equilibria in which, due to decreasing absolute risk aversion, hard working poor borrowers subsidize richer borrowers. In particular, a model of adverse selection and moral hazard in a competitive credit market is developed with private information on borrowers' wealth. Because of the ambiguous e¤ect of decreasing risk aversion on the willingness to post collateral, both separating and pooling equilibria are possible in principle. Under separation the poor borrowers bear the cost of separation in terms of excessive risk taking. In a more likely pooling equilibrium poor hard-working borrowers subsidize richer ones.

Item Type: Monograph (Discussion Paper)
Additional Information: © 2011 the authors.
Uncontrolled Keywords: poverty, cross-subsidization, pooling and separating equilibria, unobservable wealth
Subjects: H Social Sciences > HB Economic Theory
Divisions: School of Social Sciences > Department of Economics > Department of Economics Discussion Paper Series
URI: http://openaccess.city.ac.uk/id/eprint/1468

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