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Private versus public consumption within groups : testing the nature of goods from aggregate data

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  • Laurens Cherchye

    ()
    (CentER - Tilburg University and Center for Economic Studies - University of Leuven)

  • Bram De Rock

    ()
    (ECARES and ECORE - Université Libre de Bruxelles)

  • Vincenzo Platino

    ()
    (Centre d'Economie de la Sorbonne - Paris School of Economics)

Abstract

We study the testability implications of public versus private consumption. The distinguishing feature of our approach is that we start from a revealed preference characterization of collectively rational behavior. Remarkably, we find that assumptions regarding the public or private nature of specific goods do have testability implications, even if one only observes the aggregate group consumption. In fact, these testability implications apply as soon as the analysis includes three goods and four obervations. This stands in sharp contrast with existing results that start from a differential characterization of collectively rational behavior. In our opinion, our revealed preference approach obtains stronger testability conclusions because it focuses on a global characterization of collective rationality, whereas the differential approach starts from a local characterization.

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Bibliographic Info

Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 10090.

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Length: 17 pages
Date of creation: Aug 2010
Date of revision:
Handle: RePEc:mse:cesdoc:10090

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Keywords: Multi-person group consumption; collective model; revealed preferences; public goods; private goods; consumption externalities.;

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  1. Cherchye, Laurens & De Rock, Bram & Vermeulen, Frederic, 2008. "An Afriat Theorem for the Collective Model of Household Consumption," IZA Discussion Papers 3794, Institute for the Study of Labor (IZA).
  2. Chiappori, P.A., 1989. "Collective Labour Supply and Welfare," DELTA Working Papers 89-07, DELTA (Ecole normale supérieure).
  3. Chiappori, Pierre-Andre, 1988. "Rational Household Labor Supply," Econometrica, Econometric Society, vol. 56(1), pages 63-90, January.
  4. Varian, Hal R, 1982. "The Nonparametric Approach to Demand Analysis," Econometrica, Econometric Society, vol. 50(4), pages 945-73, July.
  5. Sippel, Reinhard, 1997. "An Experiment on the Pure Theory of Consumer's Behaviour," Economic Journal, Royal Economic Society, vol. 107(444), pages 1431-44, September.
  6. Diewert, W E, 1973. "Afriat and Revealed Preference Theory," Review of Economic Studies, Wiley Blackwell, vol. 40(3), pages 419-25, July.
  7. 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.
  8. William T. Harbaugh & Kate Krause & Timothy R. Berry, 2001. "GARP for Kids: On the Development of Rational Choice Behavior," American Economic Review, American Economic Association, vol. 91(5), pages 1539-1545, December.
  9. Cherchye, L.J.H. & Rock, B. de & Vermeulen, F.M.P., 2007. "The collective model of household consumption: A nonparametric characterization," Open Access publications from Tilburg University urn:nbn:nl:ui:12-194157, Tilburg University.
  10. Cherchye, L.J.H. & Rock, B. de & Sabbe, J. & Vermeulen, F.M.P., 2008. "Nonparametric Tests of Collectively Rational Consumption Behavior: An Integer Programming Procedure," Discussion Paper 2008-2, Tilburg University, Center for Economic Research.
  11. M.J. Todd & A. Fostel & H.E. Scarf, 2004. "Two New Proofs of Afriat's Theorem," Econometric Society 2004 North American Summer Meetings 632, Econometric Society.
  12. Sabrina Bruyneel & Laurens Cherchye & Bram De Rock, 2012. "Collective consumption models with restricted bargaining weights: an empirical assessment based on experimental data," Review of Economics of the Household, Springer, vol. 10(3), pages 395-421, September.
  13. Browning, M. & Chiappori, P.A., 1994. "Efficient Intra-Household allocations: A General Characterization and Empirical Tests," DELTA Working Papers 94-16, DELTA (Ecole normale supérieure).
  14. Laurens Cherchye & Bram De Rock & Frederic Vermeulen, 2011. "The Revealed Preference Approach to Collective Consumption Behaviour: Testing and Sharing Rule Recovery," Review of Economic Studies, Oxford University Press, vol. 78(1), pages 176-198.
  15. Pollak, Robert A, 1990. "Distinguished Fellow: Houthakker's Contributions to Economics," Journal of Economic Perspectives, American Economic Association, vol. 4(2), pages 141-56, Spring.
  16. Hans Gersbach & Hans Haller, 2004. "When Inefficiency Begets Efficiency," CESifo Working Paper Series 1197, CESifo Group Munich.
  17. William Harbaugh & Kate Krause & Timothy Berry, 2001. "Garp for kids: On the development of rational choice behavior," Artefactual Field Experiments 00056, The Field Experiments Website.
  18. P.-A. Chiappori & I. Ekeland, 2009. "The Microeconomics of Efficient Group Behavior: Identification," Econometrica, Econometric Society, vol. 77(3), pages 763-799, 05.
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