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Costs of Equity Capital and Model Mispricing

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Author Info
Lubos Pástor (Wharton School, University of Pennsylvania,)
Robert F. Stambaugh (Wharton School, University of Pennsylvania,)

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Abstract

Costs of equity for individual firms are estimated in a Bayesian framework using several factor-based pricing models. Substantial prior uncertainty about mispricing often produces an estimated cost of equity close to that obtained with mispricing precluded, even for a stock whose average return departs significantly from the pricing model's prediction. Uncertainty about which pricing model to use is less important, on average, than within-model parameter uncertainty. In the absence of mispricing uncertainty, uncertainty about factor premiums is generally the largest source of overall uncertainty about a firm's cost of equity, although uncertainty about betas is nearly as important. Copyright The American Finance Association 1999.

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Article provided by American Finance Association in its journal The Journal of Finance.

Volume (Year): 54 (1999)
Issue (Month): 1 (02)
Pages: 67-121
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Handle: RePEc:bla:jfinan:v:54:y:1999:i:1:p:67-121

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Daniel, Kent & Titman, Sheridan, 1997. " Evidence on the Characteristics of Cross Sectional Variation in Stock Returns," Journal of Finance, American Finance Association, vol. 52(1), pages 1-33, March. [Downloadable!] (restricted)
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  2. Vasicek, Oldrich A, 1973. "A Note on Using Cross-Sectional Information in Bayesian Estimation of Security Betas," Journal of Finance, American Finance Association, vol. 28(5), pages 1233-39, December. [Downloadable!] (restricted)
  3. Merton, Robert C, 1973. "An Intertemporal Capital Asset Pricing Model," Econometrica, Econometric Society, vol. 41(5), pages 867-87, September. [Downloadable!] (restricted)
  4. Shanken, Jay, 1990. "Intertemporal asset pricing : An Empirical Investigation," Journal of Econometrics, Elsevier, vol. 45(1-2), pages 99-120. [Downloadable!] (restricted)
  5. Stambaugh, Robert F., 1997. "Analyzing investments whose histories differ in length," Journal of Financial Economics, Elsevier, vol. 45(3), pages 285-331, September. [Downloadable!] (restricted)
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  6. Kandel, Shmuel & McCulloch, Robert & Stambaugh, Robert F, 1995. "Bayesian Inference and Portfolio Efficiency," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 8(1), pages 1-53. [Downloadable!] (restricted)
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  7. Gibbons, Michael R & Ross, Stephen A & Shanken, Jay, 1989. "A Test of the Efficiency of a Given Portfolio," Econometrica, Econometric Society, vol. 57(5), pages 1121-52, September. [Downloadable!] (restricted)
  8. Gregory Connor and Robert A. Korajczyk., 1987. "Estimating Pervasive Economic Factors with Missing Observations," Research Program in Finance Working Papers 173, University of California at Berkeley.
  9. Fama, Eugene F. & French, Kenneth R., 1997. "Industry costs of equity," Journal of Financial Economics, Elsevier, vol. 43(2), pages 153-193, February. [Downloadable!] (restricted)
  10. Ross, Stephen A., 1976. "The arbitrage theory of capital asset pricing," Journal of Economic Theory, Elsevier, vol. 13(3), pages 341-360, December. [Downloadable!] (restricted)
  11. repec:cup:etheor:v:12:y:1996:i:3:p:409-31 is not listed on IDEAS
  12. Connor, Gregory & Korajczyk, Robert A., 1986. "Performance measurement with the arbitrage pricing theory : A new framework for analysis," Journal of Financial Economics, Elsevier, vol. 15(3), pages 373-394, March. [Downloadable!] (restricted)
  13. Huberman, Gur & Kandel, Shmuel & Stambaugh, Robert F, 1987. " Mimicking Portfolios and Exact Arbitrage Pricing," Journal of Finance, American Finance Association, vol. 42(1), pages 1-9, March. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Lubos Pastor & Robert F. Stambaugh, . "Evaluating and Investing in Equity Mutual Funds," Rodney L. White Center for Financial Research Working Papers 10-00, Wharton School Rodney L. White Center for Financial Research. [Downloadable!]
    Other versions:
  2. Luboš Pástor & Robert F. Stambaugh, . "Investing in Equity Mutual Funds," CRSP working papers 532, Center for Research in Security Prices, Graduate School of Business, University of Chicago. [Downloadable!]
    Other versions:
  3. Lubos Pastor & Robert F. Stambaugh, 2007. "Predictive Systems: Living with Imperfect Predictors," NBER Working Papers 12814, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  4. A. Craig MacKinlay & Lubos Pastor, 1999. "Asset Pricing Models: Implications for Expected Returns and Portfolio Selection," NBER Working Papers 7162, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  5. Samuel Mongrut Montalván & Didac Ramírez Sarrió, 2005. "Discount Rates in Emerging Capital Markets," Finance 0501013, EconWPA. [Downloadable!]
  6. Edward J. Green & Jose A. Lopez & Zhenyu Wang, 2001. "The Federal Reserve banks' imputed cost of equity capital," Working Papers in Applied Economic Theory 2001-01, Federal Reserve Bank of San Francisco. [Downloadable!]
  7. Klaas Baks & Andrew Metrick & Jessica Wachter, 1999. "Bayesian Performance Evaluation," NBER Working Papers 7069, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  8. Edward J. Green & Jose A. Lopez & Zhenyu Wang, 2003. "Formulating the imputed cost of equity capital for priced services at Federal Reserve banks," Economic Policy Review, Federal Reserve Bank of New York, issue Sep, pages 55-81. [Downloadable!]
  9. Klaas Baks & Andrew Metrick & Jessica Wachter, . "Should Investors Avoid All Actively Managed Mutual Funds? A Study in Bayesian Performance Evaluation," Rodney L. White Center for Financial Research Working Papers 18-99, Wharton School Rodney L. White Center for Financial Research. [Downloadable!]
  10. Lubos Pastor & Robert F. Stambaugh, 2000. "The Equity Premium and Structural Breaks," NBER Working Papers 7778, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
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