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Philipp Schnabl – New York University, Stern School of Business
26 March 2021 @ 10:00 am - 11:30 am
Itamar Drechsler, Alexi Savov, and Philipp Schnabl
We propose and test a new explanation for the rise and fall of the Great Inflation,a defining event in macroeconomics. We argue that its rise was due to the imposition of binding deposit rate ceilings under the law known as Regulation Q, and that its fall was due to the removal of these ceilings once the law was repealed. Deposits were the dominant form of saving at the time, hence Regulation Q suppressed the return to saving. This drove up aggregate demand, which pushed up inflation and further lowered the real return to saving, setting off an inflation spiral. The repeal of Regulation Q broke the spiral by sending deposit rates sharply higher. We document that the rise and fall of the Great Inflation lines up closely with the imposition and repeal of Regulation Q and the enormous changes in deposit rates and quantities it produced. We further test this explanation in the cross section using detailed data on local deposit markets and inflation. By exploiting four different sources of geographic variation, we show that the degree to which Regulation Q was binding has a large impact on local inflation, consistent with the hypothesis that Regulation Q explainsthe observed variation in aggregate inflation. We conclude that in the presence of financial frictions the Fed may be unable to control inflation regardless of its policy rule.