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Can Aggregation across goods be achieved by neglecting the problem? Property inheritance and aggregation bias

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  • Bertrand Koebel

    (BETA - Bureau d'Économie Théorique et Appliquée - INRA - Institut National de la Recherche Agronomique - UNISTRA - Université de Strasbourg - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique)

Abstract

This article studies the problem of composite commodity in two different frameworks. In one case, aggregation across goods is analyzed for elementary goods that satisfy an optimality condition. The unrestricted case is also examined. The notion of an approximate aggregate representation is formalized and shown to be always possible. Can thereby aggregation issues simply be neglected in economic contributions? I show that the standard economic properties of initial functions are not necessarily inherited by the approximate aggregate. The severity of this problem and the size of the aggregation bias across inputs are investigated empirically.

Suggested Citation

  • Bertrand Koebel, 2002. "Can Aggregation across goods be achieved by neglecting the problem? Property inheritance and aggregation bias," Post-Print hal-03337394, HAL.
    • Handle: RePEc:hal:journl:hal-03337394
    DOI: 10.1111/1468-2354.t01-1-00010
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    Cited by:

    1. Bertrand Koebel & François Laisney, 2016. "Aggregation with Cournot Competition: An Empirical Investigation," Annals of Economics and Statistics, GENES, issue 121-122, pages 91-119.
    2. Lichter, Andreas & Peichl, Andreas & Siegloch, Sebastian, 2015. "The own-wage elasticity of labor demand: A meta-regression analysis," European Economic Review, Elsevier, vol. 80(C), pages 94-119.
    3. Neil Rickman & Robert Witt, 2007. "The Determinants of Employee Crime in the UK," Economica, London School of Economics and Political Science, vol. 74(293), pages 161-175, February.
    4. Rosario Crinò, 2010. "Service Offshoring and White-Collar Employment," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 77(2), pages 595-632.
    5. Salois, Matthew J. & Livanis, Grigorios T. & Moss, Charles B., 2006. "Estimation of Production Functions using Average Data," 2006 Annual Meeting, February 5-8, 2006, Orlando, Florida 35401, Southern Agricultural Economics Association.
    6. Martin Popp, 2023. "How elastic is labor demand? A meta-analysis for the German labor market," Journal for Labour Market Research, Springer;Institute for Employment Research/ Institut für Arbeitsmarkt- und Berufsforschung (IAB), vol. 57(1), pages 1-21, December.
    7. Koebel, Bertrand M. & Falk, Martin & Laisney, François, 2000. "Imposing and testing curvature conditions on a Box-Cox function," ZEW Discussion Papers 00-70, ZEW - Leibniz Centre for European Economic Research.
    8. Rosario Crino, 2006. "Are U.S. White-Collar Really at Risk of Service Offshoring?," KITeS Working Papers 183, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Oct 2006.

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