International Monetary Fund warns Europe against prematurely declaring victory over inflation

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The International Monetary Fund says the European Central Bank and other policymakers across Europe need to keep interest rates at current elevated levels until they’re sure inflation is under control despite sluggish growth

FRANKFURT, Germany — The European Central Bank and other policymakers across Europe need to keep interest rates at current elevated levels until they're sure inflation is under control despite sluggish growth, the International Monetary Fund said Wednesday, warning against “premature celebration” as inflation declines from its peak.

The Washington-based IMF said that cost of underestimating inflation's persistence could be painfully high and result in another painful round of rate hikes that could rob the economy of a large chunk of growth.

The European Central Bank and the other central banks that aren't part of the 20-country eurozone “are reaching the peak of their interest rate cycles, while some have started to reduce policy rates,” the IMF said in its twice-yearly regional economic outlook for Europe. “Nonetheless, a prolonged restrictive stance is still necessary to ensure that inflation moves back to target.”

Historically, it takes an average of three years to return inflation to lower levels, while some anti-inflation campaigns have taken even longer, the IMF said. While central banks appear to have ended their series of hikes, a failure to finish the job and the resulting return to rate hikes could cost as much as a full percentage point of annual economic output.

Alfred Kammer, director of the IMF's Europe department, warned against “premature celebration" as he spoke to journalists in connection with the outlook. “It is less costly to be too tight than too loose" with interest-rate