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Price-Dividend Ratios and the Source of Expected Return Variation

Article Quant Q&A · Author: JorgeT
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Summary

The document raises a question about interpreting variation in price-dividend ratios. It cites a claim attributed to Cochrane and Fama: variation in these ratios is associated with changes in expected excess returns, or risk premiums, rather than news about future dividend growth. It then asks whether the implied variation in excess returns reflects changing realized returns or changing risk-free rates.

No answer, derivation, dataset, or empirical evidence is provided beyond the cited claim. The central distinction is between movements in expected excess returns and movements in the risk-free component of required returns, which matters when interpreting valuation ratios and forecasting returns. Because the text is only a question, it does not establish how the two components contribute, how they should be measured, or whether the cited result applies across markets and periods. It is best read as a research prompt rather than a completed explanation.

Key ideas

  • The document attributes price-dividend ratio variation to changes in expected excess returns.
  • It frames the issue as a distinction between return variation and risk-free rate variation.
  • The text provides no empirical analysis or answer to that question.
  • The claim cited in the prompt does not by itself explain how to measure either component.

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EquitiesStatisticsFactor investing
Full text
# 37140


# Is variation in price-dividend ratios that is attributable to excess returns due to variation in returns or variation in risk free rates?












Cochrane and Fama show that "all variation in price-dividend ratios corresponds to changes in expected excess returns -risk premiums- and none corresponds to news about future dividend growth". Is this variation in excess returns due to variation in returns or variation in risk free rates?

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.