Abstract: This paper develops a general equilibrium model of both taste-based and
statistical discrimination in credit markets. We find that both types of
discrimination have similar predictions for intergroup differences in loan
terms. The commonly held view has been that if there exists taste-based
discrimination, loans approved to minority borrowers would have higher expected
profitability than to majorities with comparable credit background. We show that
the validity of this profitability view depends crucially on how expected loan
profitability is measured. We also show that there must exist taste-based
discrimination if loans to minority borrowers have higher expected rate of return
or lower expected rate of default loss than to majorities with the same exogenous
characteristics at the time of loan origination. Empirical evidence on expected
rate of default loss cannot reject the null hypothesis of non-existence of
taste-based discrimination.
Keywords: Credit rationing, discrimination, mortgage, credit risk
Full paper (502 KB PDF)
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Last update: January 16, 2002
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