The upward bias of markups estimated from the price-based methodology
AbstractPrevious studies have emphasized that Roeger's methodology generates too high markups. This feature is confirmed on the basis of the unrealistically low capital shares implied by the estimates herein. Theoretically, it is shown that the normalization choice, the slow adjustment of capital and the mismeasurement of capital expenditures, each produces an upward bias. For instance, the price-based estimated markup is in fact the markup adjusted for returns to scale on the variable inputs only. Based on the empirical analysis, each of these sources of overestimation is very likely to play a role.
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Length: 29 pages
Date of creation: Sep 2005
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Markup; capital fixity; imperfect competition.;
Other versions of this item:
- Hervé BOULHOL, 2008. "The Upward Bias of Markups Estimated from the Price-Based Methodology," Annales d'Economie et de Statistique, ENSAE, issue 89, pages 131-156.
- L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
- L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
- L60 - Industrial Organization - - Industry Studies: Manufacturing - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-11-12 (All new papers)
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