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The Capital Asset Pricing Model in the 21st Century


  • Levy,Haim


The Capital Asset Pricing Model (CAPM) and the mean-variance (M-V) rule, which are based on classic expected utility theory, have been heavily criticized theoretically and empirically. The advent of behavioral economics, prospect theory and other psychology-minded approaches in finance challenges the rational investor model from which CAPM and M-V derive. Haim Levy argues that the tension between the classic financial models and behavioral economics approaches is more apparent than real. This book aims to relax the tension between the two paradigms. Specifically, Professor Levy shows that although behavioral economics contradicts aspects of expected utility theory, CAPM and M-V are intact in both expected utility theory and cumulative prospect theory frameworks. There is furthermore no evidence to reject CAPM empirically when ex-ante parameters are employed. Professionals may thus comfortably teach and use CAPM and behavioral economics or cumulative prospect theory as coexisting paradigms.

Suggested Citation

  • Levy,Haim, 2012. "The Capital Asset Pricing Model in the 21st Century," Cambridge Books, Cambridge University Press, number 9780521186513, May.
  • Handle: RePEc:cup:cbooks:9780521186513

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    References listed on IDEAS

    1. Prebisch, Raúl, 1950. "The economic development of Latin America and its principal problems," Sede de la CEPAL en Santiago (Estudios e Investigaciones) 29973, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL).
    2. Justin Yifu Lin, 2011. "New Structural Economics: A Framework for Rethinking Development," World Bank Research Observer, World Bank Group, vol. 26(2), pages 193-221, August.
    3. Justin Yifu Lin, 2012. "New Structural Economics : A Framework for Rethinking Development and Policy," World Bank Publications, The World Bank, number 2232.
    4. Lin, Justin Yifu, 2003. "Development Strategy, Viability, and Economic Convergence," Economic Development and Cultural Change, University of Chicago Press, vol. 51(2), pages 276-308, January.
    5. Dirk Willem te Velde & Justin Lin & Célestin Monga & Suresh D. Tendulkar & Alice Amsden & K. Y. Amoako & Howard Pack & Wonhyuk Lim, 2011. "DPR Debate: Growth Identification and Facilitation: The Role of the State in the Dynamics of Structural Change," Development Policy Review, Overseas Development Institute, vol. 29(3), pages 259-310, May.
    6. Lin, Justin Yifu, 1992. "Rural Reforms and Agricultural Growth in China," American Economic Review, American Economic Association, vol. 82(1), pages 34-51, March.
    7. Gene M. Grossman & Elhanan Helpman, 1996. "Electoral Competition and Special Interest Politics," Review of Economic Studies, Oxford University Press, vol. 63(2), pages 265-286.
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    Cited by:

    1. Jieshuang He, 2016. "Endogenous Bank Networks and Contagion," Caepr Working Papers 2016-005 Classification-D, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
    2. Levy, Moshe & Levy, Haim, 2015. "Keeping up with the Joneses and optimal diversification," Journal of Banking & Finance, Elsevier, vol. 58(C), pages 29-38.
    3. repec:spr:rvmgts:v:11:y:2017:i:4:d:10.1007_s11846-016-0205-0 is not listed on IDEAS

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