Mortgage Modification and Strategic Behavior: Evidence from a Legal Settlement with Countrywide

We investigate whether homeowners respond strategically to news of mortgage modification programs. We exploit plausibly exogenous variation in modification policy induced by U.S. state government lawsuits against Countrywide Financial Corporation, which agreed to offer modifications to seriously delinquent borrowers with subprime mortgages throughout the country. Using a difference-in-difference framework, we find that Countrywide’s relative delinquency rate increased thirteen percent per month immediately after the program’s announcement. The borrowers whose estimated default rates increased the most in response to the program were those who appear to have been the least likely to default otherwise, including those with substantial liquidity available through credit cards and relatively low combined loan-to-value ratios. These results suggest that strategic behavior should be an important consideration in designing mortgage modification programs.

Christopher J. Mayer, Edward Morrison, Tomasz Piskorski, and Arpit Gupta

American Economic Review

September 2014

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