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Welfare Comparisons, Economies of Scale and Equivalence Scale in Time Use

  • Hélène Couprie


    (THEMA, Universite de Cergy-Pontoise and THEMA)

  • Gaëlle Ferrant


    (Centre d'Economie de la Sorbonne-Université Paris I Panthéon Sorbonne,)

How does within couples' time-use interactions generate welfare in the family ? In this paper we model economies of scale in time use. Following Browning, Chiappori and Lewbel (2006), we allow intra- household bargaining power to affect the distribution of welfare gains in the family. We estimate the model using the UK Time Use Survey (2000). Results suggest that two single individuals living apart need about 2h15 more to achieve the same utility level as when living in a couple. A woman requires on average 55% of the couple time-resources to be as well-off as when living alone. Time-poverty line is on average 11h per individual a day.

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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 2012-43.

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Date of creation: 2012
Date of revision:
Handle: RePEc:ema:worpap:2012-43
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  17. 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.
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  22. 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.
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  28. James Banks & Richard Blundell & Arthur Lewbel, 1997. "Quadratic Engel Curves And Consumer Demand," The Review of Economics and Statistics, MIT Press, vol. 79(4), pages 527-539, November.
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