Transparency is one of the biggest innovations in central bank policy of the past quarter century. Modern central bankers believe that they should be as clear about their objectives and actions as possible. However, is greater transparency always beneficial? Recent work suggests that when...

Over the past twenty years, macroeconomic performance has improved in industrialized and developing countries alike. In a broad cross-section of countries inflation volatility has fallen markedly while output variability has either fallen or risen only slightly. This increased stability can be...

As central bankers intensify their focus on inflation as the primary goal of monetary policy, it becomes increasingly important to have accurate and reliable measures of changes in the aggregate price level. Measuring inflation is surprisingly difficult, involving two types of problems. Commonly...

Aggregate shocks that move output and inflation in opposite directions create a tradeoff between output and inflation variability, forcing central bankers to make a choice. Differences in the degree of accommodation of shocks lead to disparate variability outcomes, revealing national central...

The design of rules for central bank policy has been a subject of increasing interest to many monetary economists. The purpose of this essay is first to present an analytical structure in which a policymaker is presumed to formulate a rule based on the solution to an optimal control problem, and...

As inflation approaches zero, it becomes increasingly important to examine the price indices on which monetary policy is based. The most popularly used aggregate price statistic in the U.S. is the Consumer Price Index (CPI), a statistic that appears to be a focal point in monetary policy...