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Implementing Arrow-Debreu equilibria by trading infinitely-lived securities

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Author Info
Kevin Huang ()
Jan Werner ()
Abstract

We show that Arrow-Debreu equilibria with countably additive prices in infinite-time economy under uncertainty can be implemented by trading infinitely-lived securities in complete sequential markets under two different portfolio feasibility constraints: wealth constraint, and essentially bounded portfolios. Sequential equilibria with no price bubbles implement Arrow-Debreu equilibria, while those with price bubbles implement Arrow-Debreu equilibria with transfers. Transfers are equal to price bubbles on initial portfolio holdings. Price bubbles arise in sequential equilibrium under the wealth constraint if some securities are in zero supply or negative prices are permitted, but cannot arise with essentially bounded portfolios. Copyright Springer-Verlag Berlin/Heidelberg 2004

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File URL: http://hdl.handle.net/10.1007/s00199-004-0496-2
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Publisher Info
Article provided by Springer in its journal Economic Theory.

Volume (Year): 24 (2004)
Issue (Month): 3 (October)
Pages: 603-622
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Handle: RePEc:spr:joecth:v:24:y:2004:i:3:p:603-622

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Related research
Keywords: Arrow-Debreu equilibrium; Security markets equilibrium; Price bubbles; Transfers.;

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  1. Marco Bassetto & Thomas J. Sargent, 2005. "Politics and efficiency of separating capital and ordinary Government budgets," Working Paper Series WP-05-07, Federal Reserve Bank of Chicago. [Downloadable!]
    Other versions:
  2. Patarick Leoni, 2006. "Market Power, Survival and Accuracy of Predictions in Financial Markets," Economics, Finance and Accounting Department Working Paper Series n1701106, Department of Economics, Finance and Accounting, National University of Ireland - Maynooth. [Downloadable!]
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