Magni, Carlo Alberto (2006): CAPM-based capital budgeting and nonadditivity.
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This paper deals with the CAPM-derived capital budgeting criterion, and in particular with Rubinstein’s (1973) criterion, according to which a project is profitable if the project rate of return is greater than the risk-adjusted cost of capital, where the latter depends on the project’s disequilibrium systematic risk. It is shown that the disequilibrium net present value implied by this criterion, widely used in corporate finance, is nonadditive. Four proofs are provided: (i) a counterexample taken from Copeland and Weston (1988), (ii) a modus-tollens argument showing that this notion of NPV is incompatible with additivity, (iii) a formalization showing that this NPV does not fulfil the principle of description invariance (iv) an example showing that CAPM-minded evaluators may incur arbitrage losses. The disequilibrium NPV should therefore be dismissed in investment decisions and valuations.
|Item Type:||MPRA Paper|
|Original Title:||CAPM-based capital budgeting and nonadditivity|
|Keywords:||NPV, disequilibrium, CAPM, capital budgeting, nonadditivity, framing effects|
|Subjects:||G - Financial Economics > G1 - General Financial Markets > G11 - Portfolio Choice; Investment Decisions
G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
G - Financial Economics > G3 - Corporate Finance and Governance > G31 - Capital Budgeting; Fixed Investment and Inventory Studies; Capacity
M - Business Administration and Business Economics; Marketing; Accounting > M2 - Business Economics > M21 - Business Economics
|Depositing User:||Carlo Alberto Magni|
|Date Deposited:||28. Feb 2008 16:55|
|Last Modified:||16. Feb 2013 19:20|
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CAPM-based capital budgeting and nonadditivity. (deposited 07. Jan 2008 04:29)
CAPM-based capital budgeting and nonadditivity. (deposited 21. Feb 2008 11:14)
CAPM-based capital budgeting and nonadditivity. (deposited 24. Feb 2008 01:11)
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- CAPM-based capital budgeting and nonadditivity. (deposited 24. Feb 2008 01:11)
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