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Working Paper
Credit scoring and loan default
A metric of credit score performance is developed to study the usage and performance of credit scoring in the loan origination process. We examine the performance of origination FICO scores as measures of ex ante borrower creditworthiness using loan-level data on ex post performance of subprime mortgages. Parametric and nonparametric estimates of credit score performance reveal different trends, especially on originations with low credit scores. The data suggest a trend of increased emphasis on higher credit scores accompanying a trend of increased riskiness in other origination attributes. ...
Working Paper
Should defaults be forgotten? Evidence from variation in removal of negative consumer credit information
Practically all industrialized economies restrict the length of time that credit bureaus can retain borrowers? negative credit information. There is, however, a large variation in the permitted retention times across countries. By exploiting a quasi-experimental variation in this retention time, we investigate what happens when negative information is deleted earlier from credit files. We find that the loss of information led banks to tighten their lending standards significantly as the expected retention time was diminished from on average three-and-a-half to three years exactly. ...