The U.S. Federal Reserve Building in Washington, DC. - 

President of the San Francisco Federal Reserve John Williams made headlines yesterday when he speculated that the Fed may reduce its stimulus efforts in the coming months. Does this mean that the economy is moving in the right direction?

Economist David Wyss of Brown University explains to Marketplace Morning Report host David Brancaccio whether or not Williams' comments should be interpreted as optimism about the economy.

Follow David Brancaccio at @DavidBrancaccio