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Correct or incorrect application of CAPM? Correct or incorrect decisions with CAPM?

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  • Magni, Carlo Alberto

Abstract

This paper focuses on inconsistencies arising from the use of NPV and CAPM for capital budgeting. It shows that: (i) CAPM capital budgeting decision-making based on disequilibrium NPV is deductively inferred by the capital asset pricing model, (ii) the use of the disequilibrium NPV is widespread in finance both as a decision rule and as a valuation tool, (iii) the disequilibrium NPV does not guarantee additivity nor consistency with arbitrage pricing, so that it is unreliable for valuation, (iv) Magni's [Magni, C.A., 2002. Investment decisions in the theory of finance: Some antinomies and inconsistencies. European Journal of Operational Research 137, 206-217; Magni, C.A., 2007a. Project valuation and investment decisions: CAPM versus arbitrage. Applied Financial Economics Letters 3 (2), 137-140] criticism of the NPV criterion refers to the disequilibrium NPV, and De Reyck's [De Reyck, B., 2005. On investment decisions in the theory of finance: Some antinomies and inconsistencies. European of Operational Research 161, 499-504] project valuation method, on the basis of which Magni's criticism to NPV is objected, leaves decision makers open to arbitrage losses and incorrect decisions.

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  • Magni, Carlo Alberto, 2009. "Correct or incorrect application of CAPM? Correct or incorrect decisions with CAPM?," European Journal of Operational Research, Elsevier, vol. 192(2), pages 549-560, January.
  • Handle: RePEc:eee:ejores:v:192:y:2009:i:2:p:549-560
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    7. Ekern, Steinar, 2006. "A Dozen Consistent CAPM-Related Valuation Models - So Why Use the Incorrect One?," Discussion Papers 2006/6, Norwegian School of Economics, Department of Business and Management Science, revised 25 Apr 2007.
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    17. Magni, Carlo Alberto, 2002. "Investment decisions in the theory of finance: Some antinomies and inconsistencies," European Journal of Operational Research, Elsevier, vol. 137(1), pages 206-217, February.
    18. Carlo Alberto Magni, 2008. "CAPM-based capital budgeting and nonadditivity," Journal of Property Investment & Finance, Emerald Group Publishing, vol. 26(5), pages 388-398, August.
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    22. Carlo Alberto Magni, 2009. "The use of Npv and CAPM for capital budgeting is not a good idea. A reply to De Reyck (2005)," PROYECCIONES FINANCIERAS Y VALORACION 005546, MASTER CONSULTORES.
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    Cited by:

    1. Magni, Carlo Alberto, 2009. "Splitting up value: A critical review of residual income theories," European Journal of Operational Research, Elsevier, vol. 198(1), pages 1-22, October.
    2. Magni, Carlo Alberto, 2005. "Theoretical Flaws In The Use Of The Capm For Investment Decisions," MPRA Paper 6330, University Library of Munich, Germany, revised Nov 2007.
    3. Magni, Carlo Alberto, 2005. "Economic profit, NPV, and CAPM: Biases and violations of Modigliani and Miller's Proposition I," MPRA Paper 7359, University Library of Munich, Germany, revised 27 Feb 2008.
    4. Carlo Alberto Magni, 2007. "Project valuation and investment decisions: CAPM versus arbitrage," Applied Financial Economics Letters, Taylor and Francis Journals, vol. 3(2), pages 137-140.
    5. Magni, Carlo Alberto, 2013. "Generalized Makeham’s formula and economic profitability," Insurance: Mathematics and Economics, Elsevier, vol. 53(3), pages 747-756.
    6. repec:pal:assmgt:v:18:y:2017:i:2:d:10.1057_s41260-016-0009-4 is not listed on IDEAS

    More about this item

    Keywords

    Finance Investment analysis Net present value Capital asset pricing model Disequilibrium Decision Valuation Nonadditivity Arbitrage;

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies

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