emerging economies. This paper argues that uncertainty about future monetary policy is a separate transmission channel. We … focus on the taper tantrum episode in 2013, a period with an elevated uncertainty about monetary policy, and use a data set … index about monetary policy uncertainty using a list of uncertainty keywords. An advantage of this index is that it reflects …

We find that macroeconomic uncertainty plays a significant role in U.S. monetary policy. First, we construct a measure … of uncertainty as felt by policymakers at the time of making their rate-setting decisions. This measure is derived from a … of being in a high-uncertainty regime. Second, we estimate a monetary policy reaction function that, apart from …