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Experimental Tests of the Separation Theorem and the Capital Asset Pricing Model

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  • Kroll, Yoram
  • Levy, Haim
  • Rapoport, Amnon
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    Abstract

    A computer-controlled portfolio selection task with three risky assets and either with or without a riskless asset was devised to test experimentally assumptions underlying the separation theorem and the capital asset pricing model. Two differently paid groups of subjects completed individually up to 300 portfolio selection problems. Although most of the subjects diversified among the risky assets, the introduction of a riskless asset did not have the effect predicted by the separation theorem, nor were the subjects affected by systematic changes in the variance-covariance matrix governing the risky returns. However, performance improved as the reward was increased tenfold. Copyright 1988 by American Economic Association.

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    Bibliographic Info

    Article provided by American Economic Association in its journal American Economic Review.

    Volume (Year): 78 (1988)
    Issue (Month): 3 (June)
    Pages: 500-519

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    Handle: RePEc:aea:aecrev:v:78:y:1988:i:3:p:500-519

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    Cited by:
    1. Bossaerts, Peter & Plott, Charles, 2000. "Basic Principles Of Asset Pricing Theory: Evidence From Large-Scale Experimental Financial Markets," CEPR Discussion Papers 2578, C.E.P.R. Discussion Papers.
    2. Bettina Kuon & Abdolkarim Sadrieh & Barbara Mathauschek, 1999. "Teams Take the Better Risks," Discussion Paper Serie B 452, University of Bonn, Germany.
    3. repec:feb:artefa:0034 is not listed on IDEAS
    4. Ilan Yaniv & Shoham Choshen-Hillel & Maxim Milyavsky, 2008. "Spurious Consensus and Opinion Revision: Why Might People Be More Confident in Their Less Accurate Judgments?," Discussion Paper Series dp492, The Center for the Study of Rationality, Hebrew University, Jerusalem.
    5. Anderson, Anders E. S., 2004. "One for the Gain, Three for the Loss," SIFR Research Report Series 20, Institute for Financial Research.
    6. James A. Sundali & Gregory R. Stone & Federico L. Guerrero, 2012. "The effect of setting goals and emotions on asset allocation decisions," Managerial Finance, Emerald Group Publishing, vol. 38(11), pages 1008-1031, November.
    7. Elisa Cavezzali & Gloria Gardenal & Ugo Rigoni, 2012. "Risk taking, diversification behavior and financial literacy of individual investors," Working Papers 17, Department of Management, Università Ca' Foscari Venezia.
    8. Luigi Guiso & Tullio Jappelli, 2008. "Financial Literacy and Portfolio Diversification," Economics Working Papers ECO2008/31, European University Institute.
    9. Olga Bourachnikova, 2007. "Weighting Function in the Behavioral Portfolio Theory," Working Papers CEB 07-011.RS, ULB -- Universite Libre de Bruxelles.
    10. Bossaerts, Peter & Plott, Charles, 2002. "The CAPM in thin experimental financial markets," Journal of Economic Dynamics and Control, Elsevier, vol. 26(7-8), pages 1093-1112, July.
    11. Maines, Laureen A., 1996. "An experimental examination of subjective forecast combination," International Journal of Forecasting, Elsevier, vol. 12(2), pages 223-233, June.
    12. Dorn, Daniel & Huberman, Gur, 2007. "Preferred Risk Habitat of Individual Investors," CEPR Discussion Papers 6532, C.E.P.R. Discussion Papers.
    13. Leima Davidovitz & Yoram Kroll, 1999. "Choices in Egalitarian Distribution: Inequality Aversion versus Risk Aversion," STICERD - Distributional Analysis Research Programme Papers 43, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
    14. Daniel, Kent & Hirshleifer, David & Teoh, Siew Hong, 2002. "Investor psychology in capital markets: evidence and policy implications," Journal of Monetary Economics, Elsevier, vol. 49(1), pages 139-209, January.
    15. Weber, Martin & Camerer, Colin F., 1998. "The disposition effect in securities trading: an experimental analysis," Journal of Economic Behavior & Organization, Elsevier, vol. 33(2), pages 167-184, January.
    16. Anderson, Barry F. & Settle, John W., 1996. "The influence of portfolio characteristics and investment period on investment choice," Journal of Economic Psychology, Elsevier, vol. 17(3), pages 343-358, June.
    17. David J. Cooper, 1999. "Gaming against Managers in Incentive Systems: Experimental Results with Chinese Students and Chinese Managers," American Economic Review, American Economic Association, vol. 89(4), pages 781-804, September.
    18. Gurevich, Gregory & Kliger, Doron & Levy, Ori, 2009. "Decision-making under uncertainty - A field study of cumulative prospect theory," Journal of Banking & Finance, Elsevier, vol. 33(7), pages 1221-1229, July.

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