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Abstract:

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SERC/Urban and Spatial Programme Discussion Paper
The Mortgage Interest Deduction and its Impact on Homeownership Decisions
Christian A. L. Hilber and Tracy M. Turner
September 2010
Paper No' SERCDP0055:
Full Paper (pdf)

JEL Classification: H22; H24; H71; R21; R31; R52


Tags: homeownership; mortgage interest deduction; tax subsidies; land use regulation

This paper examines the impact of the combined U.S. state and federal mortgage interest deduction (MID) on homeownership attainment, using data from 1984 to 2007 and exploiting variation in the subsidy across states, over time and due to inter-state moves. We test whether capitalization of the MID into house prices offsets the positive effect on homeownership. We find that the MID only boosts homeownership attainment of higher income households in less tightly regulated housing markets. In more restrictive places – typically larger coastal cities – an adverse effect exists. The MID is an ineffective policy to promote homeownership and improve social welfare.