Dong-Hyun Ahn (University of North Carolina, Chapel Hill) Jacob Boudoukh (New York University, IDC, and NBER) Matthew Richardson (New York University and NBER) Robert F. Whitelaw (New York University and NBER)
Abstract
We investigate the relation between returns on stock indices and their corresponding futures contracts to evaluate potential explanations for the pervasive yet anomalous evidence of positive, short-horizon portfolio autocorrelations. Using a simple theoretical framework, we generate empirical implications for both microstructure and partial adjustment models. The major findings are (i) return autocorrelations of indices are generally positive even though futures contracts have autocorrelations close to zero, and (ii) these autocorrelation differences are maintained under conditions favorable for spot-futures arbitrage and are most prevalent during low-volume periods. These results point toward microstructure-based explanations and away from explanations based on behavioral models. Copyright 2002, Oxford University Press.
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Article provided by Oxford University Press for Society for Financial Studies in its journal Review of Financial Studies.
Volume (Year): 15 (2002) Issue (Month): 2 (March) Pages: 655-689 Download reference. The following formats are available: HTML
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