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Excess demand functions when new assets are introduced

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  • Momi, Takeshi

Abstract

We demonstrate that information on the aggregate excess demand function of an incomplete real asset market economy is not helpful toward predicting the equilibrium of a new economy to which unredundant assets are added. An innovation of assets can completely change the aggregate excess demand functions.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Economic Theory.

Volume (Year): 144 (2009)
Issue (Month): 4 (July)
Pages: 1832-1843

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Handle: RePEc:eee:jetheo:v:144:y:2009:i:4:p:1832-1843

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Web page: http://www.elsevier.com/locate/inca/622869

Related research

Keywords: Incomplete market Disaggregation of excess demand Financial innovation;

References

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  1. Elul Ronel, 1995. "Welfare Effects of Financial Innovation in Incomplete Markets Economies with Several Consumption Goods," Journal of Economic Theory, Elsevier, vol. 65(1), pages 43-78, February.
  2. 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.
  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. Thorsten Hens & Piero Gottardi, 1999. "Disaggregation of excess demand and comparative statics with incomplete markets and nominal assets," Economic Theory, Springer, vol. 13(2), pages 287-308.
  5. 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.
  6. Momi, Takeshi, 2003. "Excess demand functions with incomplete markets--a global result," Journal of Economic Theory, Elsevier, vol. 111(2), pages 240-250, August.
  7. Debreu, Gerard, 1974. "Excess demand functions," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 15-21, March.
  8. 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.
  9. David Cass & Alessandro Citanna, 1998. "Pareto improving financial innovation in incomplete markets," Economic Theory, Springer, vol. 11(3), pages 467-494.
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