U.S. Federal Reserve Chairman Ben Bernanke speaks during a financial and economic event discussing the financial crisis at the London School of Economics in London on March 25, 2013. - 

This week, America's head central banker, Ben Bernanke, gives his economic report card to Congress. At least one president in the Federal Reserve system is saying that this summer the Fed will taper off from its stimulus measures.

Julia Coronado, chief North American economist at BNP Paribas, joins Marketplace Morning Report host David Brancaccio to explain what that could mean for the economy.