Last week’s consumer and producer price data “revived [the] stickiness of inflation debate, he says. While jobless claims were subdued, a nonfarm payrolls report at the start of August showed the 3-month average at its weakest since 2010 when unemployment was 9%, he adds.

Jerome Powell has the ideal platform Friday to deliver a clear signal the Federal Reserve is about to resume cutting interest rates. But the economy isn’t giving him an equally clear signal that now is the time.

What will Federal Reserve Chair Jerome Powell signal about interest rates at this year's Jackson Hole gathering? The central-bank gathering has sometimes been a venue for marking shifts in Fed policy,