Consistent Valuation and Cost of Capital Expressions with Corporate and Personal Taxes

Working Paper: NBER ID: w3074

Authors: Robert A. Taggart Jr.

Abstract: This paper examines three valuation methods, each of which should lead to the same value for a given asset. These are the Adjusted Present Value, Adjusted Discount Rate and Flows to Equity methods. To achieve identical valuations, however, the different methods must be implemented with cost of capital expressions that embody a consistent set of assumptions about (1) the tax regime and (2) the time pattern and riskiness of debt tax shields. Valuation and cost of capital expressions that have been proposed in the literature are grouped and contrasted according to these assumptions. It is also shown that the familiar weighted average cost of capital can be consistent with any such set of assumptions, as long as the correct expression is used to estimate the relationship between the levered and unlevered cost of equity.

Keywords: Valuation Methods; Cost of Capital; Corporate Taxes; Personal Taxes

JEL Codes: G31; H25


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
financing decisions (G32)firm value (G32)
financing mix + tax regime (G32)asset value (G32)
APV method (C59)asset value (G32)
ADR method (C22)asset value (G32)
FTE method (C51)asset value (G32)
cost of capital expressions (G31)valuation consistency (D46)

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