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Unitary versus collective models of the household : time to shift the burden of proof?

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Author Info
Chiappori, Pierre-Andre
Haddad, Lawrence
Hoddinott, John
Kanbur, Ravi

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Abstract

Until recently, most economists viewed the household as a collection of individuals who behave as if in agreement on how best to combine time and goods (purchased or produced at home) to produce commodities that maximize some common welfare index. This model has been extended far beyond standard demand analysis to include the determinants of health, fertility, education, child fostering, migration, labor supply, home production, land tenure, and crop adoption. The appeal of the unitary model is the simplicity of comparative statics generated and the diversity of issues it can address. But, argue the authors, its theoretical foundations are weak and restrictive; its underlying assumptions are of questionable validity; it has not stood up well to empirical testing; and it ignores or obscures important policy issues. They argue that economists should regard households as collective rather than unitary entities. They make a case for accepting the collective model (with cooperative and noncooperative versions) as the industry standard - with caveats. The unitary model should be regarded as a special subset of the collective approach, suitable under certain conditions. The burden of proof should shift to those who claim the unitary model as the rule and collective models as the exception. Implicit in the authors'argument is the view that household economics has not taken Becker seriously enough."A household is truly a'small factory,'"wrote Becker (1965)."It combines capital goods, raw materials, and labor to clean, feed, procreate, and otherwise produce useful commodities."The authors, too, perceive the household as a factory, which, like all factories, contains individuals who - motivated at times by altruism, at times by self-interest, and often by both - cajole, cooperate, threaten, help, argue, support, and, indeed, occasionally walk out on each other. Labor economists and industrial organization theorists have long exploited the value of going inside the black box of the factory. It is time to do the same for household economics, say the authors.

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Paper provided by The World Bank in its series Policy Research Working Paper Series with number 1217.

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Date of creation: 30 Nov 1993
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Handle: RePEc:wbk:wbrwps:1217

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Keywords: Health Economics&Finance Environmental Economics&Policies Poverty Lines Housing&Human Habitats Educational Technology and Distance Education

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Folbre, Nancy, 1986. "Hearts and spades: Paradigms of household economics," World Development, Elsevier, vol. 14(2), pages 245-255, February. [Downloadable!] (restricted)
  2. Bernheim, B Douglas & Shleifer, Andrei & Summers, Lawrence H, 1986. "The Strategic Bequest Motive," Journal of Labor Economics, University of Chicago Press, vol. 4(3), pages S151-82, July. [Downloadable!] (restricted)
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  3. Lundberg, Shelly & Pollak, Robert A, 1993. "Separate Spheres Bargaining and the Marriage Market," Journal of Political Economy, University of Chicago Press, vol. 101(6), pages 988-1010, December. [Downloadable!] (restricted)
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  4. Bruce, Neil & Waldman, Michael, 1990. "The Rotten-Kid Theorem Meets the Samaritan's Dilemma," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 155-65, February. [Downloadable!] (restricted)
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  5. Bernheim, B Douglas & Stark, Oded, 1988. "Altruism within the Family Reconsidered: Do Nice Guys Finish Last?," American Economic Review, American Economic Association, vol. 78(5), pages 1034-45, December. [Downloadable!] (restricted)
  6. Tauchen, Helen V & Witte, Ann Dryden & Long, Sharon K, 1991. "Domestic Violence: A Nonrandom Affair," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(2), pages 491-511, May. [Downloadable!] (restricted)
  7. Ken Binmore & Ariel Rubinstein & Asher Wolinsky, 1986. "The Nash Bargaining Solution in Economic Modelling," RAND Journal of Economics, The RAND Corporation, vol. 17(2), pages 176-188, Summer. [Downloadable!] (restricted)
  8. Hoddinott, John, 1992. "Rotten Kids or Manipulative Parents: Are Children Old Age Security in Western Kenya?," Economic Development and Cultural Change, University of Chicago Press, vol. 40(3), pages 545-65, April.
  9. Barro, Robert J, 1974. "Are Government Bonds Net Wealth?," Journal of Political Economy, University of Chicago Press, vol. 82(6), pages 1095-1117, Nov.-Dec.. [Downloadable!] (restricted)
  10. Thomas, D., 1989. "Intra-Household Resource Allocation: An Inferential Approach," Papers 586, Yale - Economic Growth Center.
  11. Ashenfelter, Orley & Heckman, James J, 1974. "The Estimation of Income and Substitution Effects in a Model of Family Labor Supply," Econometrica, Econometric Society, vol. 42(1), pages 73-85, January. [Downloadable!] (restricted)
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  12. Lundberg, Shelly J, 1988. "Labor Supply of Husbands and Wives: A Simultaneous Equations Approach," The Review of Economics and Statistics, MIT Press, vol. 70(2), pages 224-35, May. [Downloadable!] (restricted)
  13. Foster, James & Greer, Joel & Thorbecke, Erik, 1984. "A Class of Decomposable Poverty Measures," Econometrica, Econometric Society, vol. 52(3), pages 761-66, May. [Downloadable!] (restricted)
  14. Bergstrom, Theodore C, 1989. "A Fresh Look at the Rotten Kid Theorem--and Other Household Mysteries," Journal of Political Economy, University of Chicago Press, vol. 97(5), pages 1138-59, October. [Downloadable!] (restricted)
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