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Bilateral exchange and competitive equilibrium

Author

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  • Flåm, Sjur Didrik

    (Department of Economics, University of Bergen, Norway)

Abstract

Motivated by computerized markets, this paper considers direct exchange between matched agents, just two at a time. Each party holds a "commodity vector”, and each seeks, whenever possible, a better holding. Focus is on feasible, voluntary exchanges, driven only by (projected) differences in generalized gradients. The paper plays down the importance of agents’ competence, experience and foresight. It also reduces the role of optimization, and it allows non-smooth data. Yet it identi…es reasonable conditions which suffice for convergence to competitive equilibrium.

Suggested Citation

  • Flåm, Sjur Didrik, 2015. "Bilateral exchange and competitive equilibrium," Working Papers in Economics 05/15, University of Bergen, Department of Economics.
    • Handle: RePEc:hhs:bergec:2015_005
    as

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    References listed on IDEAS

    as
    1. S. Flåm & L. Koutsougeras, 2010. "Private information, transferable utility, and the core," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 42(3), pages 591-609, March.
    2. Allan M. Feldman, 1973. "Bilateral Trading Processes, Pairwise Optimally, and Pareto Optimality," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 40(4), pages 463-473.
    3. Shapley, Lloyd S & Shubik, Martin, 1977. "Trade Using One Commodity as a Means of Payment," Journal of Political Economy, University of Chicago Press, vol. 85(5), pages 937-968, October.
    4. Flåm, Sjur Didrik & Gramstad, Kjetil, 2012. "Direct Exchange in Linear Economies," Working Papers in Economics 05/12, University of Bergen, Department of Economics.
    5. Pekka Malo & Teemu Pennanen, 2010. "Reduced form modeling of limit order markets," Papers 1006.4517, arXiv.org.
    6. P. Tseng & S. Yun, 2009. "Block-Coordinate Gradient Descent Method for Linearly Constrained Nonsmooth Separable Optimization," Journal of Optimization Theory and Applications, Springer, vol. 140(3), pages 513-535, March.
    7. Ariel Rubinstein & Asher Wolinsky, 1990. "Decentralized Trading, Strategic Behaviour and the Walrasian Outcome," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 57(1), pages 63-78.
    8. L. Xiao & S. Boyd, 2006. "Optimal Scaling of a Gradient Method for Distributed Resource Allocation," Journal of Optimization Theory and Applications, Springer, vol. 129(3), pages 469-488, June.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    bilateral exchange; convex preferences; competitive equilibrium; generalized gradients; transferable utility.;
    All these keywords.

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies

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