As such, experts' forecasts for the Fed's key short-term rate after the November meeting range from 3.5% to 4%. In other words, the Fed's rate hikes could ultimately lead to the economy cooling off more than the central bank would like. Too many big rate hikes risk "sending the economy into a mild recession," Chubb said. What's more, other central banks, mainly the European Central Bank, are likely to step up the pace and size of rate increases as well. "Major central banks still have work to do on inflation, including the Fed and the ECB.

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