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Excess Demand Functions with Incomplete Markets - A Global Result

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  • Takeshi Momi

Abstract

The purpose of this paper is to give a global characterization of excess demand functions in a two period exchange economy with incomplete real asset markets. We show that continuity, homogeneity and Walras� law characterize the aggregate excess demand functions on any compact price set which maintains the dimension of the budget set.

Suggested Citation

  • Takeshi Momi, "undated". "Excess Demand Functions with Incomplete Markets - A Global Result," IEW - Working Papers 096, Institute for Empirical Research in Economics - University of Zurich.
    • Handle: RePEc:zur:iewwpx:096
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    File URL: https://www.zora.uzh.ch/id/eprint/51996/1/iewwp096.pdf
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    References listed on IDEAS

    as
    1. Thorsten Hens, "undated". "An Extension of Mantel (1976) to Incomplete Markets," IEW - Working Papers 071, Institute for Empirical Research in Economics - University of Zurich.
    2. Pierre-André Chiappori & Ivar Ekeland & Martin Browning, 1999. "Local disaggregation of demand and excess demand functions: a new question," Discussion Papers 99-09, University of Copenhagen. Department of Economics.
    3. Bottazzi, Jean-Marc & Hens, Thorsten, 1996. "Excess Demand Functions and Incomplete Markets," Journal of Economic Theory, Elsevier, vol. 68(1), pages 49-63, January.
    4. repec:dau:papers:123456789/6343 is not listed on IDEAS
    5. Piero Gottardi & Andreu Mas-Colell, 1999. "A Note on the Decomposition (at a Point) of Aggregate Excess Demand on the Grassmannian," Working Papers 99-11, Brown University, Department of Economics.
    6. Sonnenschein, Hugo, 1973. "Do Walras' identity and continuity characterize the class of community excess demand functions?," Journal of Economic Theory, Elsevier, vol. 6(4), pages 345-354, August.
    7. Chiappori, Pierre-Andre & Ekeland, Ivar, 1999. "Disaggregation of excess demand functions in incomplete markets1," Journal of Mathematical Economics, Elsevier, vol. 31(1), pages 111-129, February.
    8. Mantel, Rolf R., 1974. "On the characterization of aggregate excess demand," Journal of Economic Theory, Elsevier, vol. 7(3), pages 348-353, March.
    9. Hens, Thorsten, 2001. "An extension of Mantel (1976) to incomplete markets," Journal of Mathematical Economics, Elsevier, vol. 36(2), pages 141-149, November.
    10. Thorsten Hens & Piero Gottardi, 1999. "Disaggregation of excess demand and comparative statics with incomplete markets and nominal assets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 13(2), pages 287-308.
    11. Gottardi, Piero & Mas-Colell, Andreu, 2000. "A note on the decomposition (at a point) of aggregate excess demand on the Grassmannian1," Journal of Mathematical Economics, Elsevier, vol. 33(4), pages 463-473, May.
    12. Debreu, Gerard, 1974. "Excess demand functions," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 15-21, March.
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    Citations

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    Cited by:

    1. Momi, Takeshi, 2010. "Excess demand function around critical prices in incomplete markets," Journal of Mathematical Economics, Elsevier, vol. 46(3), pages 293-302, May.
    2. Chiaki Hara, 2010. "Pareto Improvement and Agenda Control of Sequential Financial Innovations," KIER Working Papers 748, Kyoto University, Institute of Economic Research.
    3. Gael Giraud & Isabelle Maret, 2001. "Behavioral Heterogeneity in Large Economies," Working Papers of BETA 2001-08, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    4. Chiappori, Pierre-Andre & Ekeland, Ivar, 2004. "Applying exterior differential calculus to economics: a presentation and some new results," Japan and the World Economy, Elsevier, vol. 16(3), pages 363-385, August.
    5. Momi, Takeshi, 2009. "Excess demand functions when new assets are introduced," Journal of Economic Theory, Elsevier, vol. 144(4), pages 1832-1843, July.
    6. Guoqiang Tian, 2016. "On the existence of price equilibrium in economies with excess demand functions," Economic Theory Bulletin, Springer;Society for the Advancement of Economic Theory (SAET), vol. 4(1), pages 5-16, April.
    7. Hara, Chiaki, 2011. "Pareto improvement and agenda control of sequential financial innovations," Journal of Mathematical Economics, Elsevier, vol. 47(3), pages 336-345.
    8. Gael GIRAUD & Isabelle MARET, 2002. "Modelling Behavioral Heterogeneity," Working Papers of BETA 2002-22, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.

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    More about this item

    Keywords

    Incomplete Markets; Excess Demand;

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium

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