The Journal of Finance publishes leading research across all the major fields of finance. It is one of the most widely cited journals in academic finance, and in all of economics. Each of the six issues per year reaches over 8,000 academics, finance professionals, libraries, and government and financial institutions around the world. The journal is the official publication of The American Finance Association, the premier academic organization devoted to the study and promotion of knowledge about financial economics.
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Mean Reversion across National Stock Markets and Parametric Contrarian Investment Strategies
Published: 12/17/2002 | DOI: 10.1111/0022-1082.00225
Ronald Balvers, Yangru Wu, Erik Gilliland
For U.S. stock prices, evidence of mean reversion over long horizons is mixed, possibly due to lack of a reliable long time series. Using additional cross‐sectional power gained from national stock index data of 18 countries during the period 1969 to 1996, we find strong evidence of mean reversion in relative stock index prices. Our findings imply a significantly positive speed of reversion with a half‐life of three to three and one‐half years. This result is robust to alternative specifications and data. Parametric contrarian investment strategies that fully exploit mean reversion across national indexes outperform buy‐and‐hold and standard contrarian strategies.
Predicting Stock Returns in an Efficient Market
Published: 09/01/1990 | DOI: 10.1111/j.1540-6261.1990.tb02429.x
RONALD J. BALVERS, THOMAS F. COSIMANO, BILL MCDONALD
An intertemporal general equilibrium model relates financial asset returns to movements in aggregate output. The model is a standard neoclassical growth model with serial correlation in aggregate output. Changes in aggregate output lead to attempts by agents to smooth consumption, which affects the required rate of return on financial assets. Since aggregate output is serially correlated and hence predictable, the theory suggests that stock returns can be predicted based on rational forecasts of output. The empirical results confirm that stock returns are a predictable function of aggregate output and also support the accompanying implications of the model.