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Marriage, Cohabitation and Commitment

  • Iyigun, Murat

    ()

    (University of Colorado, Boulder)

This paper combines partner matching with an intra-household allocation model where couples decide if they want to marry or cohabitate. Marriage encourages but does not ensure a higher level of spousal commitment, which in turn can generate a larger marital surplus. Individuals’ marital preferences and commitment costs vary, and sorting equilibria are based on individuals’ marital preferences and propensity to commit. In all equilibria, some married couples are able to cooperate and operate efficiently, but some married and all cohabiting couples act with limited commitment and non-cooperatively. When spousal marital commitment costs are gender symmetric, there is a pure-sorting equilibrium in which all partners who prefer to act with commitment in marriage are matched with someone who has the same preference. In such an equilibrium, the benefits of marital commitment accrue to both partners. When commitment costs are not gender neutral, there can also be mixed-matching equilibria in which a partner who is willing to act with commitment in marriage is matched with someone who is not. In all such equilibria, the benefits of marital commitment accrue only to those men or women who are in short supply. Consequently, a shortage of men (women) who can maritally commit makes all women (men) worse off and materially indifferent between marriage or cohabitation. An excess supply of men who prefer marriage not only reduces the marriage incentives of men and raises those of women, but also the marital commitment incentives of men. As a corollary, if the gains from marriage fall, not only will more individuals choose to cohabitate but more married couples will act non-cooperatively.

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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 4341.

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Length: 47 pages
Date of creation: Aug 2009
Date of revision:
Handle: RePEc:iza:izadps:dp4341
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  1. Shelly Lundberg & Robert A. Pollak, 2001. "Efficiency in Marriage," NBER Working Papers 8642, National Bureau of Economic Research, Inc.
  2. Pierre-André Chiappori & Bernard Fortin & Guy Lacroix, 2001. "Marriage Market, Divorce Legislation and Household Labor Supply," CIRANO Working Papers 2001s-16, CIRANO.
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  4. Manser, Marilyn & Brown, Murray, 1980. "Marriage and Household Decision-Making: A Bargaining Analysis," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 21(1), pages 31-44, February.
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  8. Browning, M. & Bourguignon, F. & Chiappori, P.A. & Lechene, V., 1992. "Incomes and Outcomes: A structural Model of Intra-Household Allocation," DELTA Working Papers 92-23, DELTA (Ecole normale supérieure).
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  13. Maurizio Mazzocco, 2007. "Household Intertemporal Behaviour: A Collective Characterization and a Test of Commitment," Review of Economic Studies, Oxford University Press, vol. 74(3), pages 857-895.
  14. Daniela Del Boca & Christopher J. Flinn, 2005. "Household Time Allocation and Models of Behavior: A Theory of Sorts," Carlo Alberto Notebooks 8, Collegio Carlo Alberto, revised 2006.
  15. Matthew J. Baker & Joyce P. Jacobsen, 2003. "Marriage, Specialization, and the Gender Division of Labor," Departmental Working Papers 1, United States Naval Academy Department of Economics.
  16. Chiappori, Pierre-Andre, 1997. "Introducing Household Production in Collective Models of Labor Supply," Journal of Political Economy, University of Chicago Press, vol. 105(1), pages 191-209, February.
  17. Niko Matouschek & Imran Rasul, 2008. "The Economics of the Marriage Contract: Theories and Evidence," Journal of Law and Economics, University of Chicago Press, vol. 51(1), pages 59-110, 02.
  18. Chiappori, P.A., 1989. "Collective Labour Supply and Welfare," DELTA Working Papers 89-07, DELTA (Ecole normale supérieure).
  19. McElroy, Marjorie B & Horney, Mary Jean, 1981. "Nash-Bargained Household Decisions: Toward a Generalization of the Theory of Demand," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 22(2), pages 333-49, June.
  20. Chiappori, Pierre-Andre, 1988. "Rational Household Labor Supply," Econometrica, Econometric Society, vol. 56(1), pages 63-90, January.
  21. Iyigun, Murat & Walsh, Randall P., 2005. "Building the Family Nest: Pre-Marital Investments, Marriage Markets and Spousal Allocations," IZA Discussion Papers 1752, Institute for the Study of Labor (IZA).
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