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Long Reads

English

Inflation in the Shadow of Debt

Generally speaking, inflation can be stabilized with little recession if people believe the necessary policy tightening will be seen through, rather than abandoned at the first signs of pain. Unfortunately, US economic authorities have done little to inspire such confidence.

STANFORD – Today’s inflation is transitory, our central bankers assure us. It will go away on its own. But what if it does not? Central banks will have “the tools” to deal with inflation, they tell us. But just what are those tools? Do central banks have the will to use them, and will governments allow them to do so?

Should inflation continue to surge, central banks’ main tool is to raise interest rates sharply, and keep them high for several years, even if that causes a painful recession, as it did in the early 1980s. How much pain, and how deep of a dip, would it take? The well-respected Taylor rule (named after my Hoover Institution colleague John B. Taylor) recommends that interest rates rise one and a half times as much as inflation. So, if inflation rises from 2% to 5%, interest rates should rise by 4.5 percentage points. Add a baseline of 2% for the inflation target and 1% for the long-run real rate of interest, and the rule recommends a central-bank rate of 7.5%. If inflation accelerates further before central banks act, reining it in could require the 15% interest rates of the early 1980s.

Would central banks do that? If they did, would high interest rates control inflation in today’s economy? There are many reasons for worry.

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