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Peter O. Christensen and Gerald A. Feltham (2009), "Equity Valuation", Foundations and TrendsĀ® in Accounting: Vol. 4: No. 1, pp 1-112. http://dx.doi.org/10.1561/1400000008

© 2009 P. O. Christensen and G. A. Feltham

Valuation, Cost of capital, Asset pricing theory, Accounting, Finance, Microeconomics

1. Introduction

2. Risk-adjusted Discount Rates

3. Multi-period Asset Pricing Theory and Accounting Relations

4. An Accounting-Based Multi-period Equity Valuation Model

5. Equity Valuation with HARA Utility

Appendix A. Proof of Theorems

Appendix B. Habit Formation

Appendix C. Risk-Adjusted Expected Cash Flows and Certainty Equivalents

References

We review and critically examine the standard approach to equity valuation using a constant risk-adjusted cost of capital, and we develop a new valuation approach discounting risk-adjusted fundamentals, such as expected free cash flows and residual operating income, using nominal zero-coupon interest rates. We show that standard estimates of the cost of capital, based on historical stock returns, are likely to be a significantly biased measure of the firm's cost of capital, but also that the bias is almost impossible to quantify empirically. The new approach recognizes that, in practice, interest rates, expected equity returns, and inflation rates are all stochastic. We explicitly characterize the risk-adjustments to the fundamentals in an equilibrium setting. We show how the term structure of risk-adjustments depends on both the time-series properties of the free cash flows and the accounting policy. Growth, persistence, and mean reversion of residual operating income created by competition in the product markets or by the accounting policy are key determinants of the term structure of risk-adjustments.

1. Introduction

2. Risk-adjusted Discount Rates

3. Multi-period Asset Pricing Theory and Accounting Relations

4. An Accounting-based Multi-period Equity Valuation Model

5. Equity Valuation with HARA Utility

Appendix A. Proof of Theorems

Appendix B. Habit Formation

Appendix C. Risk-adjusted Expected Cash Flows and Certainty Equivalents

References

*Equity Valuation* reviews and critically examines the standard approach to equity valuation using a constant risk-adjusted cost of capital and develops a new valuation approach discounting risk-adjusted fundamentals using nominal zero-coupon interest rates.

*Equity Valuation* is organized as follows: Chapter 2 (Risk-adjusted Discount Rates) reviews standard valuation models based on risk-adjusted discount rates. Chapter 3 (Multi-period Asset Pricing Theory and Accounting Relations) examines key results from multi-period asset pricing theory in discrete-time, and shows how equity valuation models can equivalently be based on free cash flows or accrual accounting numbers. Based on these results, the authors derive an accounting-based multi-period equity valuation model presented in Chapter 4 (An Accounting-based Multi-period Equity Valuation Model) with equilibrium risk-adjustments determined by prices of aggregate consumption claims. Chapter 5 (Equity Valuation with HARA Utility) includes a general equilibrium analysis of a setting in which the investors have HARA utility, and aggregate consumption and residual operating income are jointly normally distributed. A set of appendices follows including Appendix B that extends the setting to preferences with external habit formation (which recently has gained popularity in asset pricing theory), and Appendix C, which discusses the relationship between risk-adjusted expected cash flows and certainty equivalents.