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 for interest rates, monetary supply, and investment and spending decisions. Underlying many of these issues is the concept of the...

In a 1993 paper, Marshall Reinsdorf finds that the CPI components for food and gas were biased upward by about 2% and 1% per year respectively during the 1980s. He attributes this result to outlet substitution bias. The more recent paper by Reinsdorf and Moulton [1994] presents an alternative...