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'Just one of us': Consumers playing oligopoly in mixed markets

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  • Marco, Marini
  • Alberto, Zevi

Abstract

Consumer cooperatives represent a highly successful example of democratic form of enterprises operating in developed countries. They are usually medium to large-scale companies competing with the profit-maximizing firms in the retail sector. This paper describes this situation as a mixed oligopoly in which consumer cooperatives maximize the utility of consumer-members and, in return, refund them with a share of the profits corresponding to the ratio of their individual spending to the cooperative's total sales. We show that when consumers possess quasi-linear preferences over a bundle of symmetrically differentiated goods, and companies operate using a linear technology, the presence of consumer cooperatives positively affects total industry output, as well as welfare. The effect of cooperatives on welfare proves to be even more significant when goods are either complements or highly differentiated, and when competition is à la Cournot rather than à la Bertrand.

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Bibliographic Info

Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 31213.

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Date of creation: 01 Aug 2010
Date of revision: 30 May 2011
Handle: RePEc:pra:mprapa:31213

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Keywords: Consumer Cooperatives; Profit-maximizing Firms; Mixed Oligopoly;

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References

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  1. Marco Marini & Alberto Zevi, 2010. "Consumer Cooperatives and Welfare in a Mixed Oligopoly," Working Papers 1010, University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini, revised 2010.
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  3. Oliver Hart & John Moore, 1998. "Cooperatives vs. Outside Ownership," NBER Working Papers 6421, National Bureau of Economic Research, Inc.
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  6. Pennerstorfer, Dieter & Weiss, Christoph R., 2007. "Do Cooperatives Offer High Quality Products?," 103rd Seminar, April 23-25, 2007, Barcelona, Spain 9403, European Association of Agricultural Economists.
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  17. Murray Fulton & Konstantinos Giannakas, 2001. "Organizational Commitment in a Mixed Oligopoly: Agricultural Cooperatives and Investor-Owned Firms," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(5), pages 1258-1265.
  18. Vives, Xavier, 1984. "Duopoly information equilibrium: Cournot and bertrand," Journal of Economic Theory, Elsevier, vol. 34(1), pages 71-94, October.
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  22. Mikami, Kazuhiko, 2010. "Capital procurement of a consumer cooperative: Role of the membership market," Economic Systems, Elsevier, vol. 34(2), pages 178-197, June.
  23. de Fraja, Giovanni & Delbono, Flavio, 1990. " Game Theoretic Models of Mixed Oligopoly," Journal of Economic Surveys, Wiley Blackwell, vol. 4(1), pages 1-17.
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Citations

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Cited by:
  1. Michael Kopel & Marco Marini, 2013. "Strategic Delegation In Consumer Cooperatives Under Mixed Oligopoly," Working Papers 1306, University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini, revised 2013.
  2. Michael Kopel & Marco Marini, 2012. "Optimal Compensation Structure In Consumer Cooperatives Under Mixed Oligopoly," Working Papers 0512, CREI Università degli Studi Roma Tre, revised 2012.
  3. Kopel, Michael & Brand, Björn, 2012. "Socially responsible firms and endogenous choice of strategic incentives," Economic Modelling, Elsevier, vol. 29(3), pages 982-989.
  4. Marco Marini & Paolo Polidori & Alberto Zevi & Désirée Teobaldelli, 2013. "Welfare Enhancing Coordination in Consumer Cooperatives under Mixed Oligopoly," Working Papers 1303, University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini, revised 2013.
  5. Saha, Souresh, 2014. "Firm's objective function and product and process R&D," Economic Modelling, Elsevier, vol. 36(C), pages 484-494.

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