Janet Yellen on April 16, 2013 at the IMF Headquarters in Washington, D.C. - 

Janet Yellin has been on the shortlist to replace Ben Bernanke as chair of the Federal Reserve since long before former Treasury Secretary Lawrence Summers dropped out of contention over the summer.  Gus Faucher, senior economist at PNC Financial Services Group, talks about what monetary policy is likely to be under a Yellen Fed, and tells Marketplace Morning Report host David Brancaccio how Wall Street is reacting to her nomination.