NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Accounting for Incomplete Pass-Through

Emi Nakamura, Dawit Zerom

NBER Working Paper No. 15255
Issued in August 2009
NBER Program(s):   EFG   IFM   IO   ME

Recent theoretical work has suggested a number of potentially important factors in causing incomplete pass-through of exchange rates to prices, including markup adjustment, local costs and barriers to price adjustment. We empirically analyze the determinants of incomplete pass-through in the coffee industry. The observed pass-through in this industry replicates key features of pass-through documented in aggregate data: prices respond sluggishly and incompletely to changes in costs. We use microdata on sales and prices to uncover the role of markup adjustment, local costs, and barriers to price adjustment in determining incomplete pass-through using a structural oligopoly model that nests all three potential factors. The implied pricing model explains the main dynamic features of short and long-run pass-through. Local costs reduce long-run pass-through (after 6 quarters) by a factor of 59% relative to a CES benchmark. Markup adjustment reduces pass-through by an additional factor of 33%, where the extent of markup adjustment depends on the estimated "super-elasticity" of demand. The estimated menu costs are small 0.23% of revenue) and have a negligible effect on long-run pass-through, but are quantitatively successful in explaining the delayed response of prices to costs. The estimated strategic complementarities in pricing do not, therefore, substantially delay the response of prices to costs. We find that delayed pass-through in the coffee industry occurs almost entirely at the wholesale rather than the retail level.

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Document Object Identifier (DOI): 10.3386/w15255

Published: Emi Nakamura & Dawit Zerom, 2010. "Accounting for Incomplete Pass-Through," Review of Economic Studies, Wiley Blackwell, vol. 77(3), pages 1192-1230, 07.

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