Politics Janet Yellen as Fed chairman: What stamp would she put on 'taper' question?

Janet Yellen is to be nominated as the next Federal Reserve chairman Wednesday afternoon. The nomination amplifies questions about when and how the central bank will pare back its massive efforts to stimulate economic growth.

Eugene Hoshiko/AP/File

President Obama’s nomination of Janet Yellen to be the next Federal Reserve chairman is being greeted as a reassuring step – a signal of continuity and competence at the helm of America’s central bank during difficult times.