When Jerome H. Powell spoke at the Federal Reserve Bank of Kansas City’s annual conference in Jackson Hole, Wyo., last year, inflation had recently topped 9 percent and the Fed was raising rates at a breakneck pace to wrestle down price increases. Mr. Powell used the platform to offer a stern warning that central bankers would keep at it until the job was done.
A year later the picture is very different. Higher rates have cooled the housing…