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Taxation, Uncertainty, and the Cost of Equity

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  • Diderik Lund

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Abstract

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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  • Diderik Lund, 2002. "Taxation, Uncertainty, and the Cost of Equity," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 9(4), pages 483-503, August.
    • Handle: RePEc:kap:itaxpf:v:9:y:2002:i:4:p:483-503
    DOI: 10.1023/A:1016576305306
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    References listed on IDEAS

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    1. McKenzie, Kenneth J, 1993. "Neutral Ex Ante Income Taxation in the Presence of Adjustment Costs and Risk," Public Finance = Finances publiques, , vol. 48(2), pages 250-267.
    2. Lund, Diderik, 2006. "Valuation, leverage and the cost of capital in the case of depreciable assets," Working Papers 03-2003, Copenhagen Business School, Department of Economics.
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    7. Lund, Diderik, 1992. "Petroleum taxation under uncertainty: contingent claims analysis with an application to Norway," Energy Economics, Elsevier, vol. 14(1), pages 23-31, January.
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    Citations

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    Cited by:

    1. Lund, Diderik, 2006. "Taxation and systematic risk under decreasing returns to scale," Working Papers 02-2003, Copenhagen Business School, Department of Economics.
    2. Devereux, Michael P., 2003. "Taxing Risky Investment," CEPR Discussion Papers 4053, C.E.P.R. Discussion Papers.
    3. Peter Birch Sørensen, 2003. "Neutral Taxation of Shareholder Income: A Norwegian Tax Reform Proposal," CESifo Working Paper Series 1036, CESifo Group Munich.
    4. Lund, Diderik, 2006. "Valuation, leverage and the cost of capital in the case of depreciable assets," Working Papers 03-2003, Copenhagen Business School, Department of Economics.
    5. Peter Sørensen, 2005. "Neutral Taxation of Shareholder Income," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 12(6), pages 777-801, November.
    6. Lund, Diderik, 2009. "Marginal versus Average Beta of Equity under Corporate Taxation," Memorandum 12/2009, Oslo University, Department of Economics.
    7. repec:eee:eneeco:v:69:y:2018:i:c:p:442-455 is not listed on IDEAS
    8. Lund, Diderik, 2005. "An analytical model of required returns to equity under taxation with imperfect loss offset," Memorandum 13/2005, Oslo University, Department of Economics.
    9. Peter Birch Sørensen, 2003. "Neutral Taxation of Shareholder Income: A Norwegian Tax Reform Proposal," EPRU Working Paper Series 03-06, Economic Policy Research Unit (EPRU), University of Copenhagen. Department of Economics.

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