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Working Paper
Subprime mortgages and the housing bubble
This paper explores the link between the house-price expectations of mortgage lenders and the extent of subprime lending. It argues that bubble conditions in the housing market are likely to spur subprime lending, with favorable price expectations easing the default concerns of lenders and thus increasing their willingness to extend loans to risky borrowers. Since the demand created by subprime lending feeds back onto house prices, such lending also helps to fuel an emerging housing bubble. The paper, however, focuses on the reverse causal linkage, where subprime lending is a consequence ...
Working Paper
Switching costs and adverse selection in the market for credit cards: new evidence
To explain persistence of credit card interest rates at relatively high levels, Calem and Mester (AER, 1995) argued that informational barriers create switching costs for high-balance customers. As evidence, using data from the 1989 Survey of Consumer Finances, they showed that these households were more likely to be rejected when applying for new credit. In this paper, they revisit the question using the 1998 and 2001 SCF. Further, they use new information on card interest rates to test for pricing effects consistent with information-based switching costs. The authors find that informational ...
Journal Article
The strange behavior of the credit card market
Working Paper
The simple analytics of observed discrimination in credit markets
Controversial econometric studies of mortgage data show that mortgage loan applications by minorities are denied more frequently than are applications by whites with similar observable default risk factors. But recent evidence indicates that minority borrowers also default more frequently than whites with similar observable risk. This paper presents a simple equilibrium model of discriminatory credit rationing and finds parametric restrictions consistent with both these empirical findings. But in this model, proposed anti-discrimination policies have surprising side effects. Thus, policy ...
Journal Article
The impact of geographic deregulation on small banks
Journal Article
Interstate bank mergers and competition in banking
Working Paper
Credit cycle and adverse selection effects in consumer credit markets -- evidence from the HELOC market
The authors empirically study how the underlying riskiness of the pool of home equity line of credit originations is affected over the credit cycle. Drawing from the largest existing database of U.S. home equity lines of credit, they use county-level aggregates of these loans to estimate panel regressions on the characteristics of the borrowers and their loans, and competing risk hazard regressions on the outcomes of the loans. The authors show that when the expected unemployment risk of households increases, riskier households tend to borrow more. As a consequence, the pool of households ...
Journal Article
Joint ventures: meeting the competition in banking