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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. Mantel, Rolf R., 1974. "On the characterization of aggregate excess demand," Journal of Economic Theory, Elsevier, vol. 7(3), pages 348-353, March.
    4. Bottazzi, Jean-Marc & Hens, Thorsten, 1996. "Excess Demand Functions and Incomplete Markets," Journal of Economic Theory, Elsevier, vol. 68(1), pages 49-63, January.
    5. Hens, Thorsten, 2001. "An extension of Mantel (1976) to incomplete markets," Journal of Mathematical Economics, Elsevier, vol. 36(2), pages 141-149, November.
    6. repec:dau:papers:123456789/6343 is not listed on IDEAS
    7. 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.
    8. 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.
    9. 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.
    10. Debreu, Gerard, 1974. "Excess demand functions," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 15-21, March.
    11. 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.
    12. 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.
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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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