Heterogeneity in Price Rigidity: Evidence from a Case Study Using Micro-Level Data
Bar-Ilan University - Department of Economics; Emory University - Department of Economics; Rimini Center for Economic Analysis
University of Southern California - Marshall School of Business
Mark E. Bergen
University of Minnesota - Carlson School of Management
Journal of Money, Credit and Banking, Vol. 34, No. 1, pp. 197-220, February 2002
We combine two data sets to study price rigidity. The first consists of weekly time series of retail, wholesale, and spot prices for twelve products. These time series contain two exogenous cost shocks. We find that prices exhibit more rigidity in response to the second shock than the first. The second data set consists of all publicly available information about the shocks. Content analysis of these information reveals that the first shock is larger and more persistent, and the market has more information on it than the second. We conclude, therefore, that prices are more flexible in response to cost shocks that are larger, that are more persistent, and on which market participants have more information.
Keywords: Price Rigidity, Micro-Level Data, Retail Prices, Wholesale Prices, Exogeneous Cost Shocks, Information, Shock Persistence, Size of Shock, Flexible Prices
JEL Classification: E12, E31, L16
Date posted: March 21, 2003
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