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Constrained suboptimality in economies with limited communication

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  • David Bowman
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    Abstract

    Economies with limited communication contain an externality which typically makes them Pareto inefficient, even taking into account the communication con­straints agents face. In a two period model it is shown that an open and dense set of economies with limited communication are constrained Pareto suboptimal. Thus equilibria of economies with voluntary unemployment, search, or other types of limits on communication are unlikely to be Pareto optimal, even in the absence of moral hazard, adverse selection, or search externalities.

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    File URL: http://www.federalreserve.gov/pubs/ifdp/1995/497/default.htm
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    File URL: http://www.federalreserve.gov/pubs/ifdp/1995/497/ifdp497.pdf
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    Bibliographic Info

    Paper provided by Board of Governors of the Federal Reserve System (U.S.) in its series International Finance Discussion Papers with number 497.

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    Date of creation: 1995
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    Handle: RePEc:fip:fedgif:497

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    Keywords: Econometric models;

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    1. Feldman, Allan M, 1973. "Bilateral Trading, Processes, Pairwise Optimality, and Pareto Optimality," Review of Economic Studies, Wiley Blackwell, vol. 40(4), pages 463-73, October.
    2. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
    3. Joseph M. Ostroy, 1972. "The Informational Efficiency of Monetary Exchange," UCLA Economics Working Papers 021, UCLA Department of Economics.
    4. Hosios, Arthur J, 1990. "On the Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Wiley Blackwell, vol. 57(2), pages 279-98, April.
    5. Dale T. Mortensen, 1979. "The Matching Process as a Non-Cooperative/Bargaining Game," Discussion Papers 384, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
    6. Kiyotaki, Nobuhiro & Wright, Randall, 1989. "On Money as a Medium of Exchange," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 927-54, August.
    7. Smale, S., 1974. "Global analysis and economics v : Pareto theory with constraints," Journal of Mathematical Economics, Elsevier, vol. 1(3), pages 213-221, December.
    8. Cooper, Russell & John, Andrew, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, MIT Press, vol. 103(3), pages 441-63, August.
    9. Lucas, Robert Jr., 1972. "Expectations and the neutrality of money," Journal of Economic Theory, Elsevier, vol. 4(2), pages 103-124, April.
    10. Radner, Roy, 1972. "Existence of Equilibrium of Plans, Prices, and Price Expectations in a Sequence of Markets," Econometrica, Econometric Society, vol. 40(2), pages 289-303, March.
    11. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-91, June.
    12. P. Diamond, 1980. "Aggregate Demand Management in Search Equilibrium," Working papers 268, Massachusetts Institute of Technology (MIT), Department of Economics.
    13. Stiglitz, Joseph E, 1982. "The Inefficiency of the Stock Market Equilibrium," Review of Economic Studies, Wiley Blackwell, vol. 49(2), pages 241-61, April.
    14. Suda, Shinichi & Tallon, Jean-Marc & Villanacci, Antonio, 1992. "Real Indeterminacy of Equilibria in a Sunspot Economy with Inside Money," Economic Theory, Springer, vol. 2(3), pages 309-19, July.
    15. Atsushi Kajii, 1997. "On the Role of Options in Sunspot Equilibria," Econometrica, Econometric Society, vol. 65(4), pages 977-986, July.
    16. Hart, Oliver D., 1975. "On the optimality of equilibrium when the market structure is incomplete," Journal of Economic Theory, Elsevier, vol. 11(3), pages 418-443, December.
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