Although inflation is much feared for its negative effects on the economy, how to measure it is a matter of considerable debate that has important implications

The consumer price index (CPI) measures the rate at which prices of consumer goods and services change over time. It is used as a key indicator of economic perf

The producer price index (PPI) measures the rate at which the prices of producer goods and services are changing overtime. It is a key statistic for economic an

A joint production by six international organizations, this manual explores the conceptual and theoretical issues that national statistical offices should consi