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Tax‐Adjusted Discount Rates with Investor Taxes and Risky Debt

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  • Ian A. Cooper
  • Kjell G. Nyborg

Abstract

This paper derives a tax‐adjusted discount rate formula with a constant proportion leverage policy, investor taxes, and risky debt. The result depends on an assumption about the treatment of tax losses in default. We identify the assumption that justifies the textbook approach of discounting interest tax shields at the cost of debt. We contrast this with an alternative assumption that leads to the Sick (1990) result that these should be discounted at the riskless rate. These two approaches represent polar cases. Each generates its results by using a different simplifying assumption, and we explain what determines the correct treatment in practice. We also discuss implementation of the valuation procedure using the capital asset pricing model.

Suggested Citation

  • Ian A. Cooper & Kjell G. Nyborg, 2008. "Tax‐Adjusted Discount Rates with Investor Taxes and Risky Debt," Financial Management, Financial Management Association International, vol. 37(2), pages 365-379, June.
    • Handle: RePEc:bla:finmgt:v:37:y:2008:i:2:p:365-379
    DOI: 10.1111/j.1755-053X.2008.00016.x
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    References listed on IDEAS

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    1. Brian L. Betker, 1995. "An Empirical Examination of Prepackaged Bankruptcy," Financial Management, Financial Management Association, vol. 24(1), Spring.
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    More about this item

    JEL classification:

    • 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

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