Reference Prices, Costs, and Nominal Rigidities
Martin Eichenbaum, Nir Jaimovich, Sergio Rebelo
American Economic Review · 2011 · Volume 101 · Issue 1
Abstract
We assess the importance of nominal rigidities using a new weekly scanner dataset. We find that nominal rigidities take the form of inertia in reference prices and costs, defined as the most common prices and costs within a given quarter. Reference prices are particularly inertial and have an average duration of roughly one year, even though weekly prices change roughly once every two weeks. We document the relation between prices and costs and find sharp evidence of state dependence in prices. We use a simple model to argue that reference prices and costs are useful statistics for macroeconomic analysis. (JEL L11, L25, L81)
Keywords
Production, Pricing, and Market Structure, Size Distribution of Firms, Firm Performance: Size, Diversification, and Scope, Retail and Wholesale Trade, e-Commerce
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