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Extending the Collective Approach to Children: A Rothbarth-Type Measure of Child Costs Consistent with Scale Economies and Parents Bargaining

  • Donni Olivier


    (THEMA, Universite de Cergy-Pontoise)

  • Bargain Olivier

    (University College of Dublin, CHILD and IZA)

We extend the collective model of household consumption to account explicitly for child welfare and economies of scale. Each household member is characterized by specific preferences and the (unspecified) allocation process is assumed to be efficient. Following the principle of the Rothbarth approach, the identification of the children's share requires the observation of adult-specific goods. The share of household income accruing to children in this context o¤ers a new measure of the cost of children, i.e., it differs from the traditional approach in that it is compatible with economies of scale and parents' bargaining. We illustrate the method with an application on the French Household Budget Survey.

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Paper provided by THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise in its series THEMA Working Papers with number 2011-06.

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Date of creation: 2011
Date of revision:
Handle: RePEc:ema:worpap:2011-06
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  1. Daniela Del Boca & Christopher Flinn & Matthew Wiswall, 2010. "Household Choices and Child Development," Carlo Alberto Notebooks 149, Collegio Carlo Alberto.
  2. Chiappori, Pierre-André & Donni, Olivier, 2009. "Non-unitary Models of Household Behavior: A Survey of the Literature," IZA Discussion Papers 4603, Institute for the Study of Labor (IZA).
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