Measurement of the market power of firms: the Japanese case in the 1990s
This article presents a new simple econometric framework for the estimation of individual firms' markup over their marginal cost, taking account of firm heterogeneity, demand-driven cyclical price changes, and the limited availability of firm-level information. The framework is applied to study markup of Japanese firms in manufacturing and wholesale/retail trade for 1994--2002. The results indicate that, on average, the Japanese markets become more competitive in the 1990s than before even in non-manufacturing industries. We also find sizable heterogeneity and non-negligible pro-cyclicality in the markup of the Japanese firms. Copyright 2009 The Author 2009. Published by Oxford University Press on behalf of Associazione ICC. All rights reserved., Oxford University Press.
Volume (Year): 18 (2009)
Issue (Month): 3 (June)
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