This paper describes the extent and cyclicality of product creation and destruction in a large sector of the U.S. economy and quantifies its implications for the measurement of consumer prices. We find four times more entry and exit in product markets than is typically found in labor markets...

Japanese monetary and fiscal policy uses the consumer price index as a metric for price stability. Despite a major effort to improve the index, the Japanese methodology of calculating the CPI seems to have a large number of deficiencies. Little attention is paid in Japan to substitution biases...

Japanese monetary and fiscal policy uses the consumer price index as a metric for price stability. Despite a major effort to improve the index, the Japanese methodology of calculating the CPI seems to have a large number of deficiencies. Little attention is paid in Japan to substitution biases...

This paper describes the extent and cyclicality of product creation and destruction in a large sector of the U.S. economy and quantifies its implications for the measurement of consumer prices. We find four times more entry and exit in product markets than is typically found in labor markets...

Official price indexes, such as the CPI, are imperfect indicators of inflation calculated using ad hoc price formulae different from the theoretically well-founded inflation indexes favored by economists. This paper provides the first estimate of how accurately the CPI informs us about "true"...