An expansion in mortgage credit to subprime borrowers is widely believed to have been a principal driver of the 2002-06 U.S. house price boom. Contrary to this belief, we show that the house price and subprime booms occurred in different places. Counties with the largest home price appreciation...

This paper finds that increased hydraulic fracturing, or "fracking", along the Marcellus Formation in Pennsylvania had a significant, negative effect on mortgage credit risk. Controlling for potential endogeneity bias by utilizing the underlying geologic properties of the land as instrumental...

A central result in the theory of adverse selection in asset markets is that informed sellers can signal quality by delaying trade. This paper uses the residential mortgage market as a laboratory to test this mechanism. Using detailed, loan-level data on privately securitized mortgages, we find...

In a recent set of influential papers, researchers have argued that residential mortgage foreclosures reduce the sale prices of nearby properties. We revisit this issue using a more robust identification strategy combined with new data that contain information on the location of properties...

A central result in the theory of adverse selection in asset markets is that informed sellers can signal quality and obtain higher prices by delaying trade. This paper provides some of the first evidence of a signaling mechanism through trade delays using the residential mortgage market as a...

This paper examines how Fannie Mae and Freddie Mac (the GSEs), the dominant investors in subprime mortgage-backed securities before the 2008 financial crisis, affected the collateral composition in this market. Mortgages included in security pools designed for the GSEs performed better than...