Incomplete Cost Pass-Through Under Deep Habits

Morten Ravn, Stephanie Schmitt-Grohe, Martin Uribe

NBER Working Paper No. 12961
Issued in March 2007
NBER Program(s):   EFG   IFM   ITI

A number of empirical studies document that marginal cost shocks are not fully passed through to prices at the firm level and that prices are substantially less volatile than costs. We show that in the relative-deep-habits model of Ravn, Schmitt-Grohe, and Uribe (2006), firm-specific marginal cost shocks are not fully passed through to product prices. That is, in response to a firm-specific increase in marginal costs, prices rise, but by less than marginal costs leading to a decline in the firm-specific markup of prices over marginal costs. Pass-through is predicted to be even lower when shocks to marginal costs are anticipated by firms. In our model, unanticipated firm-specific cost shocks lead to incomplete pass-through (or a decline in markups) of about 20 percent and anticipated cost shocks are associated with incomplete pass-through of about 50 percent. The model predicts that cost pass-through is increasing in the persistence of marginal cost shocks and U-shaped in the strength of habits. The relative-deep-habits model implies that conditional on marginal cost disturbances, prices are less volatile than marginal costs.

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Document Object Identifier (DOI): 10.3386/w12961

Published:

• Martin Uribe & Morten Ravn & Stephanie Schmitt-Grohe, 2008. "Incomplete cost pass-through under deep habits," Proceedings, Board of Governors of the Federal Reserve System (U.S.). ,
• Morten Overgaard Ravn & Stephanie Schmitt-Grohe & Martin Uribe, 2010. "Incomplete Cost Pass-Through Under Deep Habits," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 13(2), pages 317-332, April.

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