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Bargaining power and equilibrium consumption

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  • Hans Gersbach

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  • Hans Haller

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Abstract

We examine how a shift of bargaining power within households operating in a competitive market environment affects equilibrium allocation and welfare. If price effects are sufficiently small, then typically an individual benefits from an increase of bargaining power, necessarily to the detriment of others. If price effects are drastic the welfare of all household members moves in the same direction when bargaining power shifts, at the expense (or for the benefit) of outside consumers. Typically a shift of bargaining power within a set of households also impacts upon other households. We show that each individual of a sociological group tends to benefit if he can increase his bargaining power, but suffers if others in his group do the same.
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Suggested Citation

  • Hans Gersbach & Hans Haller, 2009. "Bargaining power and equilibrium consumption," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 33(4), pages 665-690, November.
  • Handle: RePEc:spr:sochwe:v:33:y:2009:i:4:p:665-690
    DOI: 10.1007/s00355-009-0385-5
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    References listed on IDEAS

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    1. Mas-Colell,Andreu, 1990. "The Theory of General Economic Equilibrium," Cambridge Books, Cambridge University Press, number 9780521388702, March.
    2. Haller, Hans, 2000. "Household Decisions and Equilibrium Efficiency," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 41(4), pages 835-847, November.
    3. Gary S. Becker, 1981. "A Treatise on the Family," NBER Books, National Bureau of Economic Research, Inc, number beck81-1, January.
    4. 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.
    5. Chiappori, Pierre-Andre, 1991. "Nash-Bargained Household Decisions: A Rejoinder," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(3), pages 761-762, August.
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    7. Bourguignon, Francois & Chiappori, Pierre-Andre, 1992. "Collective models of household behavior : An introduction," European Economic Review, Elsevier, vol. 36(2-3), pages 355-364, April.
    8. McElroy, Marjorie B & Horney, Mary Jean, 1990. "Nash-Bargained Household Decisions: Reply," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 31(1), pages 237-242, February.
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    11. Chiappori, Pierre-Andre, 1988. "Nash-Bargained Households Decisions: A Comment," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 29(4), pages 791-796, November.
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    19. Hans Gersbach & Hans Haller, 2002. "Competitive Markets, Collective Decisions and Group Formation," Discussion Papers 02-11, University of Copenhagen. Department of Economics.
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    Citations

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    Cited by:

    1. Hans Gersbach & Hans Haller, 2011. "General Equilibrium with Multi-Member Households and Production," CESifo Working Paper Series 3659, CESifo Group Munich.
    2. Gersbach, Hans & Haller, Hans, 2010. "Club theory and household formation," Journal of Mathematical Economics, Elsevier, vol. 46(5), pages 715-724, September.
    3. Hans Gersbach & Hans Haller, 2012. "“Hard workers” and labor restrictions," Journal of Population Economics, Springer;European Society for Population Economics, vol. 25(2), pages 469-494, January.
    4. repec:spr:sochwe:v:50:y:2018:i:3:d:10.1007_s00355-017-1091-3 is not listed on IDEAS
    5. Hans Gersbach & Hans Haller, 2009. "Bargaining power and equilibrium consumption," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 33(4), pages 665-690, November.
    6. Martin Gonzalez Eiras & Dirk Niepelt, 2004. "Sustaining Social Security," Working Papers 72, Universidad de San Andres, Departamento de Economia, revised Jun 2004.
    7. Hans Gersbach & Hans Haller, 2015. "Formal and Real Power in General Equilibrium," CER-ETH Economics working paper series 15/212, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
    8. Gersbach, Hans & Haller, Hans, 2011. "Groups, collective decisions and markets," Journal of Economic Theory, Elsevier, vol. 146(1), pages 275-299, January.

    More about this item

    JEL classification:

    • D10 - Microeconomics - - Household Behavior - - - General
    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General

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