Viable Costs and Equilibrium Prices in Frictional Securities Markets
This paper studies security markets with trading frictions, and offers a complete characterization of viable convex cost systems. For frictional markets that give rise to a convex-cone traded-payoff span and a sublinear payoff cost functional, the following three conditions are equivalent: viability, the extension property, and the absence of free lunches. Special cases in this class of markets include perfect-markets economies [Harrison and Kreps (1979)], economies with proportional transaction costs [Jouini and Kallal (1992, 1995)], economies with solvency constraints [Hindy (1995)], economies with no-short-selling, and economies with any combination of these frictions.
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- He, Hua & Pearson, Neil D., 1991.
"Consumption and portfolio policies with incomplete markets and short-sale constraints: The infinite dimensional case,"
Journal of Economic Theory,
Elsevier, vol. 54(2), pages 259-304, August.
- Hua He & Neil D. Pearson, 1991. "Consumption and Portfolio Policies With Incomplete Markets and Short-Sale Constraints: the Finite-Dimensional Case," Mathematical Finance, Wiley Blackwell, vol. 1(3), pages 1-10.
- Hua He and Neil D. Pearson., 1989. "Consumption and Portfolio Policies with Incomplete Markets and Short-Sale Constraints: The Infinite Dimensional Case," Research Program in Finance Working Papers RPF-191, University of California at Berkeley.
- Hua He and Neil D. Pearson., 1989. "Consumption and Portfolio Policies with Incomplete Markets and Short-Sale Constraints: The Finite Dimensional Case," Research Program in Finance Working Papers RPF-189, University of California at Berkeley.
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