Scandinavian Working Papers in Economics

Working Paper Series,
Sveriges Riksbank (Central Bank of Sweden)

No 275: Business Cycle Implications of Mortgage Spreads

Karl Walentin ()
Additional contact information
Karl Walentin: Research Department, Central Bank of Sweden, Postal: Sveriges Riksbank, SE-103 37 Stockholm, Sweden

Abstract: How do aggregate quantities at the business cycle frequency respond to shocks to the spread between residential mortgage rates and government bonds? Using a structural VAR approach, we find that mortgage spread shocks impact the real economy by both economically and statistically significant magnitudes: a 100 basis point decline in the spread causes a peak increase in consumption, residential investment and GDP by 1.6 percent, 6.2 percent and 1.9 percent, respectively. These effects are magnified when the policy rate is held fixed, as was the case in the US during the recent implementation of unconventional monetary policy.

Keywords: Sources of business cycles; unconventional monetary policy; credit supply; house prices; financial frictions

JEL-codes: E21; E32; E44; E52; R21

36 pages, First version: September 1, 2013. Revised: March 1, 2014.

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