Warsh's high-profile speech at the Fed's annual Jackson Hole economic conference was mostly praised afterward by economists and other Fed policymakers in attendance. Still, there was also some pushback and criticism during the first day of the conference.

Federal Reserve Chair Kevin Warsh said Friday that inflation is still too high and suggested the central bank may have to raise interest rates in the coming months to bring it down, a clearer signal than he had sent previously about his economic outlook.