Traditionally the pre-tax cost of capital is a function of the interest rate and the tax system. However, uncertainty implies that the market's required return is no single interest rate, but depends on risk. Different tax systems split risk differently between firm and government. Thus the required expected return after corporate taxes depends on the tax system. Expressions for this are derived, based on a CAPM-type model. The weighted average cost of capital is decreasing in the tax rate, even for fully equity financed projects. This effect can be substantial, but is neglected in much of the literature. Copyright Kluwer Academic Publishers 2002
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Volume (Year): 9 (2002) Issue (Month): 4 (August) Pages: 483-503 Download reference. The following formats are available: HTML
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Jeremy I. Bulow & Lawrence H. Summers, 1984.
"The Taxation of Risky Assets,"
NBER Working Papers
0897, National Bureau of Economic Research, Inc.
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Heaps, Terry & Helliwell, John F., 1985.
"The taxation of natural resources,"
Handbook of Public Economics,
in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 1, chapter 8, pages 421-472
Elsevier.
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Michael P. Devereux, 2009.
"Taxing Risky Investment,"
Working Papers
0919, Oxford University Centre for Business Taxation.
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