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Quand un et un ne font plus deux

Author

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  • Vermeulen, Frederic

    (CentER)

  • Watteyne, André

    (Université de Leuven Campus Kortrijk)

Abstract

In this paper, we present a collective model with public consumption. It is based on the more general model of Browning, Chiappori and Lewbel (2004). Rather than estimating a consumption technology, which captures all economies of scale of living in a couple, we determine a priori which goods are privately and which goods are publicly consumed. The collective model is completely identified by assuming that preferences over private and public goods are the same for singles and individuals in couples. The model allows calculating intra-household based equivalence scales, which meet the objections against traditional equivalence scales. It is applied to consumption data from three recent Belgian budget surveys. Dans cet article, nous présentons un modèle collectif avec consommation publique. Ce modèle est basé sur celui, plus général, de Browning, Chiappori et Lewbel (2004). Au lieu d’estimer une technologie de consommation, qui capte toutes les économies d’échelle liées à la vie en couple, nous déterminons a priori les biens qui sont consommés de façon privée et ceux qui le sont de façon publique. Le modèle collectif en question est complètement identifié si l’on suppose que les préférences relatives aux biens privés et publics sont les mêmes pour qui vit en couple que pour qui vit seul. Le modèle nous permet de calculer des échelles d’équivalence applicables au sein du ménage. Ainsi, on échappe aux critiques formulées à l’encontre des échelles d’équivalence traditionnelles. Le modèle est appliqué aux données sur la consommation tirées de trois enquêtes de budget belges récentes.

Suggested Citation

  • Vermeulen, Frederic & Watteyne, André, 2006. "Quand un et un ne font plus deux," L'Actualité Economique, Société Canadienne de Science Economique, vol. 82(1), pages 155-180, mars-juin.
  • Handle: RePEc:ris:actuec:v:82:y:2006:i:1:p:155-180
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    1. Martin Browning & Pierre-André Chiappori & Arthur Lewbel, 2013. "Estimating Consumption Economies of Scale, Adult Equivalence Scales, and Household Bargaining Power," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 80(4), pages 1267-1303.
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    Cited by:

    1. 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.
    2. Henri Martin & Hélène Périvier, 2015. "Les échelles d'équivalence a l'épreuve des nouvelles configurations familiales," Working Papers hal-03604393, HAL.
    3. Henri Martin & Hélène Périvier, 2018. "Les échelles d’équivalence à l’épreuve des nouvelles configurations familiales," Revue économique, Presses de Sciences-Po, vol. 69(2), pages 303-334.
    4. Hélène Couprie & Gaëlle Ferrant, 2015. "Welfare Comparisons, Economies of Scale and Equivalence Scale in Time Use," Annals of Economics and Statistics, GENES, issue 117-118, pages 185-210.
    5. repec:spo:wpmain:info:hdl:2441/6bmn8gb9qu81spl2231vnjudq5 is not listed on IDEAS
    6. Donni, Olivier & Molina, José Alberto, 2018. "Household Collective Models: Three Decades of Theoretical Contributions and Empirical Evidence," IZA Discussion Papers 11915, Institute of Labor Economics (IZA).
    7. Chiappori, Pierre-André & Donni, Olivier, 2009. "Non-unitary Models of Household Behavior: A Survey of the Literature," IZA Discussion Papers 4603, Institute of Labor Economics (IZA).
    8. repec:hal:spmain:info:hdl:2441/6bmn8gb9qu81spl2231vnjudq5 is not listed on IDEAS
    9. Henri Martin & Hélène Périvier, 2015. "Les échelles d'équivalence a l'épreuve des nouvelles configurations familiales," SciencePo Working papers Main hal-03604393, HAL.

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