From 2007 to 2009 U.S. house prices plunged and mortgage defaults surged. While ostensibly consistent with widespread “ruthless default,” analysis of detailed mortgage and house price data indicates that borrowers do not walk away until they are deeply underwater – far deeper than...

Regression discontinuity estimates indicate that home buying is highly responsive to interest rates in a large segment of the population. A surprise 50 basis point cut in the effective interest rate for mortgages insured by the Federal Housing Administration (FHA) led to an immediate 14 percent...