The Consequences of Mortgage Credit Expansion: Evidence from the U.S. Mortgage Default Crisis

Atif R. Mian, Amir Sufi
2008 Social Science Research Network  
This appendix is split into four parts. Part A provides further description of the data and information on how to obtain the data. Part B presents additional tables that examine subprime zip codes with negative income growth from 2002 to 2005. Part C provides further evidence on the importance of within-county variation by showing results without county fixed effects. Part D presents all non-house price results using the full sample of 18,408 zip codes. A. Further Description of Data Equifax
more » ... of Data Equifax Data We collect anonymous aggregated data on outstanding consumer credit amounts and defaults from the Analytical Services group at Equifax. Equifax is a leading global provider of information solutions for consumers and businesses. In their U.S. consumer business, they collect, organize, and manage credit information on roughly 170 million individuals. To ensure the confidentiality of consumers' credit information, Equifax only provides the aggregated credit information based on a 5% zip code-level sample. Equifax produced the aggregated information on an annual basis from 1991-1997, but shifted to a quarterly frequency beginning in Q1 1998 and running through Q4 2007.
doi:10.2139/ssrn.1072304 fatcat:agsdu55kvrcgzdazhhffmgqwra