This paper provides a numerical example of how to calculate the cost of capital of government’s claim (rg) and the present value of tax shields. Schauten and Tans (2006) show for the models used in Myers (1974), Miles and Ezzell (1980) and Harris and Pringle (1985), that the present value of tax shields is equal to the difference between the present value of the expected taxes paid by the unlevered firm and the levered firm, with each of the models’ implied rg as discount rate. We discuss a numerical example using the valuation framework by Schauten and Tans (2006) and give a logic explanation for the low implied rgs of Miles and Ezzell’s and Harris and Pringle’s model.
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