This paper assesses the relative importance of two key drivers of mortgage default: negative equity and illiquidity. To do so, the authors combine loan-level mortgage data with detailed credit bureau information about the borrower's broader balance sheet. This gives them a direct way to measure...

In the wake of the recent housing and financial crisis, many have argued that consumers are defaulting on their mortgage for strategic reasons, either because they are "underwater" or to preserve access to credit from other types of debt products, in order to maintain their consumption of other...