Undiversifiable Returns in a CAPM Economy
AbstractThe effects of endogenous undiversifiable investment and market structure changes on security pricing are analyzed within the GEI-CAPM (General Equilibrium with Incomplete Markets Capital Asset Pricing Model). Both the mutual fund and security market line theorems are extended conditional to a redefinition of the market portfolio. Relative prices of securities are still determined by covariances with the aggregate endowment but they fail to preserve the ``standard'' invariance result of the CAPM with quadratic utilities. Asset prices may change in response to financial innovation.
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Bibliographic InfoPaper provided by University of Copenhagen. Department of Economics in its series Discussion Papers with number 01-08.
Length: 20 pages
Date of creation: Jul 2001
Date of revision:
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General Equilibrium with Incomplete Markets; Portfolio Choice; Transfer Technology; Capital Asset Pricing Model;
Find related papers by JEL classification:
- D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
- D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
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