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Faculty of Economics

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Dhyne, E., Fuss, C., Pesaran, M. H. and Sevestre, P.

Lumpy price adjustments: a microeconometric analysis

Journal of Business and Economic Statistics

Vol. 29 no. 4 pp. 529-540 (2011)

Abstract: This paper presents a simple model of state-dependent pricing that allows identification of the relative importance of the degree of price rigidity that is inherent to the price setting mechanism (intrinsic) and that which is due to the price.s driving variables (extrinsic). Using two data sets consisting of a large fraction of the price quotes used to compute the Belgian and French CPI, we are able to assess the role of intrinsic and extrinsic price stickiness in explaining the occurrence and magni- tude of price changes at the outlet level. We .nd that infrequent price changes are not necessarily associated with large adjustment costs. Indeed, extrinsic rigidity appears to be significant in many cases. We also find that asymmetry in the price adjustment could be due to trends in marginal costs and/or desired mark-ups rather than asymmetric cost of adjustment bands.

JEL Codes: C51, C81, D21

Author links: M. Hashem Pesaran  

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