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Second Liens And The Leverage Option, Adam J. Levitin, Susan M. Wachter

Vanderbilt Law Review

This Article demonstrates that the housing bubble was driven by second mortgages to a much greater extent than previously appreciated. A unique feature of American law allows homeowners to take out second mortgages, without the consent or even knowledge of the first mortgage lender. The result is an underpricing and overextension of credit as first mortgage lenders cannot control or properly price for the risks created by second mortgages. Homeowners' unilateral right to encumber their properties with additional mortgage loans creates what we term the "leverage option" that is embedded in American mortgages. The leverage option is an unintended consequence …