Most previous research tests market efficiency and asset pricing models using average abnormal trading profits on dynamic trading strategies, and typically rejects the joint hypothesis. In contrast, we measure the ability of a simple risk model and the efficient-market hypothesis to explain the level of stock prices. First, we find that cash-flow betas (measured by regressing firms' earnings on the market's earnings) explain the prices of value and growth stocks well, with a plausible premium. Second, we use a present-value model to decompose the cross-sectional variance of firms' price-to-book ratios into two components due to risk-adjusted fundamental value and mispricing. When we allow the discount rates to vary with cash-flow betas, the variance share of mispricing is negligible.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
10131.
Length: Date of creation: Dec 2003 Date of revision: Handle: RePEc:nbr:nberwo:10131
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Find related papers by JEL classification: G12 - Financial Economics - - General Financial Markets - - - Asset Pricing G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies
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Eugene F. Fama & Kenneth R. French, 2002.
"The Equity Premium,"
Journal of Finance,
American Finance Association, vol. 57(2), pages 637-659, 04.
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Eugene Fama & F. & Kenneth R. French, .
"The Equity Premium.","
CRSP working papers
522, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
John Y. Campbell & Tuomo Vuolteenaho, 2003.
"Bad Beta, Good Beta,"
NBER Working Papers
9509, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Other versions:
John Y. Campbell & Tuomo Vuolteenaho, 2004.
"Bad Beta, Good Beta,"
American Economic Review,
American Economic Association, vol. 94(5), pages 1249-1275, December.
[Downloadable!]
Randolph B. Cohen & Christopher Polk & Tuomo Vuolteenaho, 2001.
"The Value Spread,"
NBER Working Papers
8242, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Other versions:
Randolph B. Cohen & Christopher Polk & Tuomo Vuolteenaho, 2003.
"The Value Spread,"
Journal of Finance,
American Finance Association, vol. 58(2), pages 609-642, 04.
[Downloadable!] (restricted)
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.)
John Y. Campbell & Tuomo Vuolteenaho, 2004.
"Bad Beta, Good Beta,"
American Economic Review,
American Economic Association, vol. 94(5), pages 1249-1275, December.
[Downloadable!]
Other versions:
John Y. Campbell & Tuomo Vuolteenaho, 2003.
"Bad Beta, Good Beta,"
NBER Working Papers
9509, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)