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Efficient Dynamic Matching with Costly Search

Author

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  • Alp E. Atakan

    (Koc University)

Abstract
This paper considers a frictional market where buyers and sellers, with unit demand and supply, search for trading opportunities. The analysis focuses on explicit search frictions, allows for two-sided incomplete information, and puts no restriction on agent heterogeneity. In this context, a non-trivial, full trade search equilibrium is shown to exist, equilibria are characterized as the values that satisfy the first order conditions for a non-linear planner’s (optimization) problem, and necessary and sufficient conditions are provided for the existence of efficient search equilibria under complete information. These results fully generalize to the two-sided incomplete information setting, under an additive separability condition.

Suggested Citation

  • Alp E. Atakan, 2010. "Efficient Dynamic Matching with Costly Search," Koç University-TUSIAD Economic Research Forum Working Papers 1030, Koc University-TUSIAD Economic Research Forum.
    • Handle: RePEc:koc:wpaper:1030
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    File URL: http://eaf.ku.edu.tr/sites/eaf.ku.edu.tr/files/erf_wp_1030.pdf
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    Citations

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    Cited by:

    1. Shneyerov, Artyom & Wong, Adam Chi Leung, 2010. "Bilateral matching and bargaining with private information," Games and Economic Behavior, Elsevier, vol. 68(2), pages 748-762, March.
    2. Elliott, Matthew L. & Nava, Francesco, 2019. "Decentralized bargaining in matching markets: efficient stationary equilibria and the core," Theoretical Economics, Econometric Society, vol. 14(1), January.
    3. YIlmaz, Ensar, 2011. "Income distribution, efficiency and rationing," Economic Modelling, Elsevier, vol. 28(3), pages 1247-1255, May.
    4. Elliott, Matt & Nava, Francesco, 2019. "Decentralized bargaining in matching markets: efficient stationary equilibria and the core," LSE Research Online Documents on Economics 87219, London School of Economics and Political Science, LSE Library.
    5. Stephan Lauermann, 2013. "Dynamic Matching and Bargaining Games: A General Approach," American Economic Review, American Economic Association, vol. 103(2), pages 663-689, April.
    6. Satterthwaite, Mark & Shneyerov, Artyom, 2008. "Convergence to perfect competition of a dynamic matching and bargaining market with two-sided incomplete information and exogenous exit rate," Games and Economic Behavior, Elsevier, vol. 63(2), pages 435-467, July.
    7. Lauermann, Stephan, 2012. "Asymmetric information in bilateral trade and in markets: An inversion result," Journal of Economic Theory, Elsevier, vol. 147(5), pages 1969-1997.
    8. Elliott, M. & Nava, F., 2017. "Decentralized Bargaining in Matching Markets: Efficient Stationary Equilibria and the Core," Cambridge Working Papers in Economics 1742, Faculty of Economics, University of Cambridge.
    9. Shneyerov, Artyom, 2014. "A Walrasian Rubinstein and Wolinsky model," Economics Letters, Elsevier, vol. 124(2), pages 314-317.
    10. Yilmaz, Ensar & Ünveren, Burak, 2011. "Income distribution and exchange in a dynamic search model," International Review of Economics & Finance, Elsevier, vol. 20(4), pages 665-678, October.
    11. Carlos Canon, 2011. "Matching & Information Provision by One-Sided and Two-Sided Platforms," Working Papers 11-20, NET Institute, revised Oct 2011.

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    Keywords

    Conditional CAPM;

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