"We demonstrate that a rapid expansion in the supply of mortgages driven by disintermediation explains a large fraction of recent U.S. house price appreciation and subsequent mortgage defaults. We identify the effect of shifts in the supply of mortgage credit by exploiting within-county...

A central idea in macroeconomic theory is that negative price effects from the leverage-induced forced sale of durable goods can amplify negative shocks and reduce economic activity. We examine this idea by estimating the effect of U.S. foreclosures in 2008 and 2009 on house prices, residential...