I survey the literature on monetary policy at the zero lower bound (ZLB) and effective lower bound (ELB) to make three main points: First, the Federal Reserve's forward guidance and large-scale asset purchases are effective monetary policy tools at the Z/ELB. Second, during the 2008-15 U.S. ZLB...

The 1990s and early 2000s witnessed an unprecedented increase in central bank transparency around the world, yet there has been little empirical work that convincingly demonstrates any economic benefits of increased central bank transparency. This paper shows that, since the late 1980s, U.S,...

I survey the literature on monetary policy at the zero lower bound (ZLB) and effective lower bound (ELB) to make three main points: First, the Federal Reserve's forward guidance and large-scale asset purchases are effective monetary policy tools at the Z/ELB. Second, during the 2008–15 U.S....