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Labor Time Shared In The Assignment Game Generating New Cooperative And Competitive Structures

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Abstract

Aiming to obtain new characterizations for the concepts of core, cooperative equilibrium and competitive equilibrium, and new correlations among these concepts, we introduce labor time into the assignment game. Two many-to-many matching models are obtained, distinguished by the nature of the agreements - rigid and flexible. An example illustrates that the characteristic function form does not always fully represent the cooperative structure of the two markets. Two different notions of demand correspondence generate distinct sets of competitive equilibrium allocations. The connection between the cooperative structures of both markets and the cooperative and competitive structures of each market is established through five cooperative solution sets proved to be non-empty, distinct and correlated by the set inclusion - one set is a superset of the next: the maximal set is the core; the second one characterizes the cooperative equilibria for the rigid market; the third set characterizes the cooperative equilibria for the flexible market; the other two sets characterize the competitive equilibrium allocations for the two competitive markets.

Suggested Citation

  • Marilda Sotomayor, 2013. "Labor Time Shared In The Assignment Game Generating New Cooperative And Competitive Structures," Working Papers, Department of Economics 2013_02, University of São Paulo (FEA-USP).
  • Handle: RePEc:spa:wpaper:2013wpecon2
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    File URL: http://www.repec.eae.fea.usp.br/documentos/Marilda02WP.pdf
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    References listed on IDEAS

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    1. Camina, Ester, 2006. "A generalized assignment game," Mathematical Social Sciences, Elsevier, vol. 52(2), pages 152-161, September.
    2. Sotomayor, Marilda, 2007. "Connecting the cooperative and competitive structures of the multiple-partners assignment game," Journal of Economic Theory, Elsevier, vol. 134(1), pages 155-174, May.
    3. Gul, Faruk & Stacchetti, Ennio, 1999. "Walrasian Equilibrium with Gross Substitutes," Journal of Economic Theory, Elsevier, vol. 87(1), pages 95-124, July.
    4. Fagebaume, Alexis & Gale, David & Sotomayor, Marilda, 2010. "A note on the multiple partners assignment game," Journal of Mathematical Economics, Elsevier, vol. 46(4), pages 388-392, July.
    5. Kelso, Alexander S, Jr & Crawford, Vincent P, 1982. "Job Matching, Coalition Formation, and Gross Substitutes," Econometrica, Econometric Society, vol. 50(6), pages 1483-1504, November.
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    More about this item

    Keywords

    stable allocations; core; competitive equilibrium allocations; feasible;

    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy Formulation and Implementation

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