Arthur M. Okun's last book, Prices and Quantities, contributes a theory of universal wage and price stickiness, but provides no explanation at all of historical and cross country differences in behavior. The core of this paper provides a new empirical characterization of price and wage changes...

This paper argues that rigid wages cannot provide the underpinnings of a universally valid theory of the business cycle, simply because wages are not universally rigid. Several different statistical techniques suggest that wage rates in the U.K. and Japan are between three and 15 times more...

This paper investigates the sources of the widely noticed reduction in the volatility of American business cycles since the mid 1980s. Our analysis of reduced volatility emphasizes the sharp decline in the standard deviation of changes in real GDP, of the output gap, and of the inflation rate

The effect of website provision on the demand for German women's magazines is analyzed using differentiated product demand models estimated on panel data that cover the period 1990 2000. Descriptive evidence on the magazines' website contents suggests that websites are used to provide...