Olivier Coibion, 08 June 2011

What effect do interest-rate changes have on economic growth? Most studies suggest that the answer is “not much”. This column points out that a lot of these studies use US data from the early 1980s when monetary policy was under the “Volcker experiment”. When this episode is excluded, this column finds that the implied contribution of policy shocks to historical US business cycle fluctuations is much larger than found in much of the literature.

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