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Choix de consommation des ménages en présence de plusieurs décideurs

  • Bernard Fortin
  • Guy Lacroix
  • Anyck Dauphin
  • Abdel-Rahmen El Lahga

Recently, a new theoretical framework has been proposed to analyze the behavior of households composed of two adults. This approach, usually referred to has the collective model, assumes that spouses have distinct preferences and that household decisions are Pareto efficient. So far, most empirical studies based on the collective approach have focused on households made up of two decision makers thus ignoring households in which there may be more (e.g., couples with adult children or parents in developed countries, extended families in developing countries). The purpose of this paper is twofold: First we summarize the main tests that have been proposed to empirically verify the constraints that derive from the collective setting. We also present a new test that is equivalent to an existing test but that is easier to implement in certain circumstances. Second, we test the multiple-person collective model using British survey data. The sample comprises couples with a single child aged 16 or older. Our results reject the collective model with one or two decision-makers, but do not reject it when three decisions-makers are assumed. Récemment, un nouveau cadre théorique d'analyse s'est développé dans le but d'analyser les comportements des ménages avec deux conjoints. Cette approche, qualifiée de modèle collectif, suppose que chaque conjoint a des préférences individuelles et que les choix du ménage sont Pareto-optimaux. Toutefois, les études empiriques réalisées jusqu'à maintenant sur les modèles collectifs ont porté essentiellement sur des ménages à deux décideurs et ignorent le comportement des ménages qui en comptent potentiellement un plus grand nombre (e.g. couples vivant avec des enfants adultes ou avec des personnes âgées dans les pays développés, familles élargies dans les pays en développement). Le but de cet article est double : dans un premier temps, nous présentons de façon synthétique les principaux tests qui ont été proposés pour vérifier empiriquement les contraintes du modèle collectif dans un tel contexte. Nous proposons également un test qui s'avère être équivalent à un autre test présenté dans la littérature mais qui dans certains cas s'avère plus facile à mettre en uvre. Dans un deuxième temps, nous testons le modèle collectif à plusieurs preneurs de décisions à l'aide d'une enquête sur des micro-données britanniques. L'échantillon retenu comprend des couples avec un enfant de plus de 16 ans. Les résultats rejettent le modèle collectif avec un ou deux décideurs mais ne le rejettent pas dans le cas de trois décideurs.

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Paper provided by CIRANO in its series CIRANO Working Papers with number 2004s-63.

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Length: 28 pages
Date of creation: 01 Dec 2004
Date of revision:
Handle: RePEc:cir:cirwor:2004s-63
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  1. M. Browning & P. A. Chiappori, 1998. "Efficient Intra-Household Allocations: A General Characterization and Empirical Tests," Econometrica, Econometric Society, vol. 66(6), pages 1241-1278, November.
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  3. Pierre-André Chiappori & Ivar Ekeland & Martin Browning, 1999. "Local disaggregation of demand and excess demand functions: a new question," Discussion Papers 99-09, University of Copenhagen. Department of Economics.
  4. Fortin, Bernard & Lacroix, Guy, 1997. "A Test of the Unitary and Collective Models of Household Labour Supply," Economic Journal, Royal Economic Society, vol. 107(443), pages 933-55, July.
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  9. Phipps, S.A. & Burton, P.S., 1992. "What's Mine is Yours?: The Influence of Male and Female Incomes on Patterns of Household Expenditure," Department of Economics at Dalhousie University working papers archive 92-12, Dalhousie, Department of Economics.
  10. Chiappori, Pierre-André & Donni, Olivier, 2006. "Les modèles non unitaires de comportement du ménage : un survol de la littérature," L'Actualité Economique, Société Canadienne de Science Economique, vol. 82(1), pages 9-52, mars-juin.
  11. Chiappori, Pierre-André & Fortin, Bernard & Lacroix, Guy, 2001. "Marriage Market, Divorce Legislation and Household Labor Supply," Cahiers de recherche 0103, Université Laval - Département d'économique.
  12. Robin, Jean-Marc & Smith, Richard J., 2000. "Tests Of Rank," Econometric Theory, Cambridge University Press, vol. 16(02), pages 151-175, April.
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  15. Chiappori, P.A., 1989. "Collective Labour Supply and Welfare," DELTA Working Papers 89-07, DELTA (Ecole normale supérieure).
  16. Chiappori, P.A. & Ekeland, I., 2006. "The micro economics of group behavior: General characterization," Journal of Economic Theory, Elsevier, vol. 130(1), pages 1-26, September.
  17. Schultz, T.P., 1990. "Testing The Neoclassical Model Of Family Labor Supply And Fertility," Papers 601, Yale - Economic Growth Center.
  18. Kleibergen, Frank & Paap, Richard, 2006. "Generalized reduced rank tests using the singular value decomposition," Journal of Econometrics, Elsevier, vol. 133(1), pages 97-126, July.
  19. Hoddinott, John & Haddad, Lawrence, 1995. "Does Female Income Share Influence Household Expenditures? Evidence from Cote d'Ivoire," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 57(1), pages 77-96, February.
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  21. Thomas, D., 1989. "Intra-Household Resource Allocation: An Inferential Approach," Papers 586, Yale - Economic Growth Center.
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