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Satiation and existence of competitive equilibrium

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  • Sato, Norihisa
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    Abstract

    In this paper, we introduce a new assumption concerning the (non)satiation property of preferences and establish the existence of a competitive equilibrium under it. The assumption is weaker than the standard nonsatiation assumption and "weak nonsatiation" introduced by Allouch and Le Van (2008). In particular, it allows preferences to be satiated only inside the set of individually rational feasible consumptions, while the two nonsatiation assumptions do not. It is also worth noting that just like the two nonsatiation assumptions, our new assumption depends solely on the characteristics of consumers.

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    File URL: http://www.sciencedirect.com/science/article/B6VBY-4YP0N1D-4/2/96fa1fa87826da1a2cd969fc4b9f4d32
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    Bibliographic Info

    Article provided by Elsevier in its journal Journal of Mathematical Economics.

    Volume (Year): 46 (2010)
    Issue (Month): 4 (July)
    Pages: 534-551

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    Handle: RePEc:eee:mateco:v:46:y:2010:i:4:p:534-551

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    Web page: http://www.elsevier.com/locate/jmateco

    Related research

    Keywords: Satiation Competitive equilibrium Individually rational feasible consumption;

    References

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    1. Nielsen, Lars Tyge, 1990. "Equilibrium in CAPM without a Riskless Asset," Review of Economic Studies, Wiley Blackwell, vol. 57(2), pages 315-24, April.
    2. Martins-da-Rocha, Victor Filipe & Monteiro, Paulo Klinger, 2007. "Unbounded exchange economies with satiation: how far can we go?," Economics Working Papers (Ensaios Economicos da EPGE) 646, FGV/EPGE Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil).
    3. Nizar Allouch & Cuong Le Van, 2008. "Walras and dividends equilibrium with possibly satiated consumers," Working Papers 08, Development and Policies Research Center (DEPOCEN), Vietnam.
    4. Dana, Rose-Anne & Le Van, Cuong & Magnien, François, 1999. "On the Different Notions of Arbitrage and Existence of Equilibrium," Economics Papers from University Paris Dauphine 123456789/6228, Paris Dauphine University.
    5. Allouch, Nizar & Le Van, Cuong, 2009. "Erratum to "Walras and dividends equilibrium with possibly satiated consumers"," Journal of Mathematical Economics, Elsevier, vol. 45(3-4), pages 320-328, March.
    6. Geistdoerfer-Florenzano, Monique, 1982. "The gale-nikaido-debreu lemma and the existence of transitive equilibrium with or without the free-disposal assumption," Journal of Mathematical Economics, Elsevier, vol. 9(1-2), pages 113-134, January.
    7. Werner, Jan, 1987. "Arbitrage and the Existence of Competitive Equilibrium," Econometrica, Econometric Society, vol. 55(6), pages 1403-18, November.
    8. Nielsen, Lars Tyge, 1987. " Portfolio Selection in the Mean-Variance Model: A Note," Journal of Finance, American Finance Association, vol. 42(5), pages 1371-76, December.
    9. repec:ebl:ecbull:v:3:y:2008:i:73:p:1-8 is not listed on IDEAS
    10. D. Won & G. Hahn & N. Yannelis, 2008. "Capital market equilibrium without riskless assets: heterogeneous expectations," Annals of Finance, Springer, vol. 4(2), pages 183-195, March.
    11. Nielsen, Lars Tyge, 1989. "Asset Market Equilibrium with Short-Selling," Review of Economic Studies, Wiley Blackwell, vol. 56(3), pages 467-73, July.
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    Cited by:
    1. Battauz, Anna & De Donno, Marzia & Ortu, Fulvio, 2011. "Intertemporal asset pricing and the marginal utility of wealth," Journal of Mathematical Economics, Elsevier, vol. 47(2), pages 227-244, March.
    2. Miyazaki, Kentaro & Takekuma, Shin-Ichi, 2013. "A note on the existence of Walras equilibrium in irreducible economies with satiable and non-ordered preferences," Discussion Papers 2013-14, Graduate School of Economics, Hitotsubashi University.

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