Cost of Capital and Value Without Circularity for Constant Growth Perpetuities
Internexa S.A. E.S.P.
August 15, 2010
This paper presents the derivation of non-circular formulas for the calculation of the cost of equity, WACC, equity value (as a function either of initial debt or leverage), and levered firm value, using some previous results and showing their consistency with other well-known expressions. Relationships between growth, leverage, and debt level at instant zero (which must hold in all cases in order to assure consistency in the valuation process) are also deduced. In addition, a set of exact expressions to compute the impact on equity value of changes in the main variables which it depends on are shown, and conclusions regarding issues such as optimal capital structure that maximize equity value, or the nature of the interaction between cost of debt and equity value, are extracted. Finally, a set of detailed examples are presented that illustrate the proper application of the derived expressions and the steps involved in the process.
Number of Pages in PDF File: 29
Keywords: Firm Valuation, Cost of Capital, Cost of Equity, Cash Flows, Free Cash Flow, Cash Flow to Equity, Capital Cash Flow, WACC, Perpetuities, Constant Growth, Circularity
JEL Classification: M21, M40, M46, M41, G12, G31, J33working papers series
Date posted: August 16, 2010 ; Last revised: January 24, 2011
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