The ability of central banks to differentiate between permanent and transitory price movements is critical for the conduct of monetary policy. The importance of gauging the persistence of price changes in a timely manner has led to the development of measures of underlying, or “core,”...

Analysts seeking evidence of rising inflation often focus on the movements of a single indicator_an increase in the price of gold, for example, or a decline in the unemployment rate. But simple statistical tests reveal that such indicators, used in isolation, have very limited predictive power.

Despite posting their strongest sustained performance in many years, recent measures of output and productivity growth have still fallen short of their 1960-73 averages. Could data-measurement problems affecting the pricing of some services account for the inability of these widely tracked U.S....

This paper provides a review of the concept of core inflation and evaluates the performance of several proposed measures. We first consider the rationale of a central bank in setting its inflation goal in terms of a selected rate of consumer price growth and the use of a core inflation measure...