As recently as early 1994, market participants had to infer the stance of U.S. monetary policy according to the type and size of the open market operations conducted by the Federal Reserve's Trading Desk. Thus, investors were exposed to uncertainty about both the timing and the motivation for...

In an environment of low inflation, the Federal Reserve faces the risk that it has not provided enough monetary stimulus even when it has pushed the short-term nominal interest rate to its lower bound of zero. Assuming the nominal Treasury-bill rate has been lowered to zero, this paper considers...