November 15, 2024
Section 203 of the National Housing Act of 1934 created the
Federal Housing Administration (FHA) to provide federally backed
insurance of home mortgages against the risk of
default. FHA insurance typically serves borrowers with higher
perceived credit risk, including first-time homebuyers and
minority borrowers. FHA is also restricted to loan amounts
less than a maximum limit. Historically, these loan limits
have tended to not keep pace with house price appreciation,
further focusing FHA insurance on a narrowing segment of
the mortgage market. But in response to the collapse of house
prices and rising foreclosures, Congress enacted legislation
in 2008 that drastically increased the maximum loan amount
eligible for FHA insurance. Although subsequently extended,
the higher loan limits expired at the end of 2013. The changes
in loan limits create a natural experiment to measure the effect
of the availability of FHA mortgage insurance on the mortgage
market. The exogenous variation in FHA eligibility provides
an improvement over previous research on the substitution between
FHA and conventional (i.e., not insured by the Veterans
Administration, Department of Agriculture, or FHA) mortgage
lending.