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Effectively Complete Asset Markets with Multiple Goods and over Multiple Periods

Author

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  • Chiaki Hara

    () (Institute of Economic Research, Kyoto University)

Abstract

Following LeRoy and Werner (2001), we propose a definition of effectively complete asset markets in a model with multiple goods and multiple periods, and establish the first and second welfare theorems in such markets. As applications of the first welfare theorem, we derive the sunspot irrelevance theorem of Mas-Colell (1992), and extend the no-retrade theorem of Judd, Kubler, and Schmedders (2003) and Kubler and Schmedders (2003) to the case where the asset prices need not be time-invariant Markov processes.

Suggested Citation

  • Chiaki Hara, 2009. "Effectively Complete Asset Markets with Multiple Goods and over Multiple Periods," KIER Working Papers 685, Kyoto University, Institute of Economic Research.
  • Handle: RePEc:kyo:wpaper:685
    as

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    File URL: http://www.kier.kyoto-u.ac.jp/DP/DP685.pdf
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    References listed on IDEAS

    as
    1. Felix Kubler & Karl Schmedders, 2003. "Generic inefficiency of equilibria in the general equilibrium model with incomplete asset markets and infinite time," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 22(1), pages 1-15, August.
    2. Partha Dasgupta & Douglas Gale & Oliver Hart & Eric Maskin (ed.), 1992. "Economic Analysis of Markets and Games: Essays in Honor of Frank Hahn," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262541599, January.
    3. Kenneth L. Judd & Felix Kubler & Karl Schmedders, 2003. "Asset Trading Volume with Dynamically Complete Markets and Heterogeneous Agents," Journal of Finance, American Finance Association, vol. 58(5), pages 2203-2218, October.
    4. Elul, Ronel, 1999. "Effectively complete equilibria--A note," Journal of Mathematical Economics, Elsevier, vol. 32(1), pages 113-119, August.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Complete markets; effectively complete markets; welfare theorems; sunspot; Markov environment;

    JEL classification:

    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial Markets
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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