Model Uncertainty and Liquidity
AbstractWe investigate the dynamic portfolio problem of a market-maker for a derivative security whose preferences exhibit uncertainty aversion (Knightian uncertainty). The Choquet-expected utility implied by such preference is used to capture the feature that the trader is uncertain about which model should be used. The prices that emerge from the model are similar to standard models and have the feature that as uncertainty is removed, the derivative prices converge to standard prices. However, the optimal changes in the agent's portfolio that results from the option position are quite different than the standard hedge position. It is this feature that links uncertainty with market liquidity.
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Bibliographic InfoPaper provided by Econometric Society in its series Econometric Society World Congress 2000 Contributed Papers with number 1617.
Date of creation: 01 Aug 2000
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Other versions of this item:
- Bryan Routledge & Stanley Zin, . "Model Uncertainty and Liquidity," GSIA Working Papers 2001-E17, Carnegie Mellon University, Tepper School of Business.
- Bryan R. Routledge, Stanley E. Zin, 2000. "Model Uncertainity And Liquidity," Computing in Economics and Finance 2000 368, Society for Computational Economics.
- Bryan R. Routledge & Stanley E. Zin, 2001. "Model Uncertainty and Liquidity," NBER Working Papers 8683, National Bureau of Economic Research, Inc.
- G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
- G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
- G20 - Financial Economics - - Financial Institutions and Services - - - General
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