Reference Prices and Nominal Rigidities

Sergio Rebelo (), Nir Jaimovich and Martin Eichenbaum

No 1049, 2010 Meeting Papers from Society for Economic Dynamics

Abstract: We assess the importance of nominal rigidities using a new weekly scanner data set. We find that nominal rigidities are important but do not take the form of sticky prices. Instead, they take the form of inertia in reference prices and costs, defined as the most common prices and costs within a quarter. Reference prices are particularly inertial and have an average duration of roughly one year, even though weekly prices change roughly every two weeks. We document the relation between prices and costs and find sharp evidence of state dependence in the probability of reference price changes and in the magnitude of these changes. We us a simple macro model to argue that reference prices and costs are useful statistics for macroeconomic analysis.

Date: 2010
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Working Paper: Reference Prices and Nominal Rigidities (2008)
Working Paper: Reference Prices and Nominal Rigidities (2008)
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