Computing equilibria in finance economies with incomplete markets and transaction costs

P. Jean-Jacques Herings and Karl Schmedders

Economic Theory, 2006, vol. 27, issue 3, 493-512

Abstract: Transaction costs on financial markets may have important consequences for volumes of trade, asset pricing, and welfare. This paper introduces an algorithm for the computation of equilibria in the general equilibrium model with incomplete asset markets and transaction costs. We show that economies with transaction costs can be analyzed with differentiable homotopy techniques and thus in the same framework as frictionless economies despite the existence of non-differentiabilities of agents’ asset demand functions and the existence of locally non-unique equilibria. We introduce an equilibrium selection concept into the computation of economic equilibria that picks out a specific equilibrium in the presence of a continuum of equilibria. Copyright Springer-Verlag Berlin/Heidelberg 2006

Keywords: Transaction costs; Incomplete markets; Computational methods; Asset pricing. (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (16)

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Related works:
Working Paper: Computing Equilibria in Finance Economies with Incomplete Markets and Transaction Costs (2001)
Working Paper: Computing equilibria in finance economies with incomplete markets and transaction costs (2000)
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DOI: 10.1007/s00199-004-0583-4

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