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Les lois de la production ne sont plus ce qu'elles étaient : une introduction à l'économétrie des panels

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  • Jacques Mairesse

Abstract

[eng] The present study explores some of the problems encountered by econometricians working with panel data and shows that Paul Douglas view of production functions in his famous article "Are there laws of production?" is difficult to maintain when confronted with such data. We examine first the variability in the level and rate of change of production and labor productivity and in the estimated response parameters capital elasticities) in both the cross-sectional and the time dimensions for three samples of large manufacturing firms in France, Japan and U.S. during the 1967-1979 period. We study next the question whether the large variability which we observe in the individual firm dimension reflects real heterogeneity in firm performances and characteristics in particular their estimated capital elasticities. Finally we exhibit the discrepancies among the different estimates of the production function coefficients in the cross-sectional and time dimensions between and within and consider the problem they pose for our understanding of production behavior and panel data econometrics. [fre] Les lois de la production ne sont plus ce qu'elles étaient : une introduction à l'économétrie des panels. . La présente étude illustre plusieurs problèmes importants rencontrés par l'économètre qui travaille sur des données de panel. Reprenant le titre de l'article célèbre de Paul Douglas « Are there laws of production ? », elle montre qu'il devient difficile, lorsqu'on analyse de telles données, de conserver la conception que celui-ci avait des fonctions de production.. On examine d'abord sur trois échantillons de grandes entreprises industrielles américaines, françaises et japonaises sur la période 1967-1979, quelles sont les variabilités (inter) individuelles et temporelles des niveaux et des évolutions de la production et de la productivité du travail, ainsi que celles des coefficients de réponse (élasticités) de la production au capital. On cherche à savoir ensuite si la grande variabilité individuelle observée traduit une hétérogénéité réelle des performances et caractéristiques des entreprises, et notamment des estimations des élasticités du capital, et l'on s'interroge sur l'interprétation à donner aux tests. On met en évidence enfin les disparités des estimations globales de la fonction de production (et notamment celles des élasticités du capital) obtenues dans les dimensions transversales et longitudinales (en coupe et en série), et l'on discute des problèmes qui sont ainsi posés à l'économètre.

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Bibliographic Info

Article provided by Programme National Persée in its journal Revue économique.

Volume (Year): 39 (1988)
Issue (Month): 1 ()
Pages: 225-271

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Handle: RePEc:prs:reveco:reco_0035-2764_1988_num_39_1_409056

Note: DOI:10.2307/3502078
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Web page: http://www.persee.fr/web/revues/home/prescript/revue/reco

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Cited by:
  1. Jacques Mairesse & Mohamed Sassenou, 1991. "R&D Productivity: A Survey of Econometric Studies at the Firm Level," NBER Working Papers 3666, National Bureau of Economic Research, Inc.

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