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Project valuation and investment decisions: CAPM versus arbitrage

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  • Carlo Alberto Magni

Abstract

This study shows that (a) project valuation via CAPM contradicts valuation via arbitrage pricing, (b) CAPM-minded decision makers may fail to profit from arbitrage opportunities, (c) Standard CAPM-based valuation violates value additivity. As a consequence, the use of CAPM for project valuation and decision making should be reconsidered.

Suggested Citation

  • Carlo Alberto Magni, 2007. "Project valuation and investment decisions: CAPM versus arbitrage," Applied Financial Economics Letters, Taylor & Francis Journals, vol. 3(2), pages 137-140.
    • Handle: RePEc:taf:raflxx:v:3:y:2007:i:2:p:137-140
    DOI: 10.1080/17446540500426821
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    1. Dirk Brounen & Abe de Jong & Kees Koedijk, 2004. "Corporate Finance in Europe: Confronting Theory with Practice," Financial Management, Financial Management Association, vol. 33(4), Winter.
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    4. James E. Smith & Robert F. Nau, 1995. "Valuing Risky Projects: Option Pricing Theory and Decision Analysis," Management Science, INFORMS, vol. 41(5), pages 795-816, May.
    5. 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.
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    9. 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.
    10. Lawrence H. Summers, 1987. "Investment Incentives and the Discounting of Depreciation Allowances," NBER Chapters, in: The Effects of Taxation on Capital Accumulation, pages 295-304, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Magni, Carlo Alberto, 2005. "Firm Value and the mis-use of the CAPM for valuation and decision making," MPRA Paper 7093, University Library of Munich, Germany.
    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. Carlo Alberto Magni, 2007. "Project selection and equivalent CAPM-based investment criteria," Applied Financial Economics Letters, Taylor & Francis Journals, vol. 3(3), pages 165-168.
    4. 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.
    5. Magni, Carlo Alberto, 2007. "CAPM and capital budgeting: present versus future, equilibrium versus disequilibrium, decision versus valuation," MPRA Paper 5468, University Library of Munich, Germany.

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    More about this item

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies
    • G30 - Financial Economics - - Corporate Finance and Governance - - - General

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