Mean reversion in annual earnings and its implications for security valuation
Lipe, Robert; Kormendi, Roger C.
Lipe, Robert; Kormendi, Roger; (1994). "Mean reversion in annual earnings and its implications for security valuation." Review of Quantitative Finance and Accounting 4(1): 27-46. <http://hdl.handle.net/2027.42/47883>
AbstractThis article documents the long-horizon mean reverting character of annual earnings and tests the implications of such mean reversion for security valuation. First, both theory-based and nonparametric measures of earnings persistence decrease as the estimation order increases, revealing 40 percent less long-horizon persistence than expected under the commonly used random walk model. Second, the return responses to the earnings shocks are more closely related across firms to the higher-order measures of persistence that reflect significant long-horizon mean reversion. Third, the persistence measure derived from classical valuation theory outperforms the generic measure in explaining the return responses. Taken as a whole, these results provide evidence for significant mean reversion in the higher-order properties of earnings and for the stock market incorporating these properties in a manner consistent with classical valuation theory.
Kluwer Academic Publishers; Springer Science+Business Media
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