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Necessity of negative serial correlation for mean-reversion of stock prices

Choe, Kwang-Il; Nam, Kiseok; Vahid, Farshid


In this paper, we show that the widespread common perception that stock returns must necessarily exhibit negative first-order autocorrelation for the mean-reverting components of stock prices is not quite correct. The necessity of negative autocorrelation in one-period returns is an artifact of assuming an AR(1) process for the transitory components of the underlying stock price and assuming independence between innovations in the transitory process and innovations in the permanent components....[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: The Quarterly Review of Economics and Finance
DOI: 10.1016/j.qref.2005.04.005


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