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Review of Financial Studies Vol. 31 No. 5 2018

Cross-Sectional and Time-Series Tests of Return Predictability: What Is the Difference?

Amit Goyal1; Narasimhan Jegadeesh2

1 Swiss Finance Institute, University of Lausanne · 2 Goizueta Business School, Emory University

Abstract

We compare the performance of time-series (TS) and cross-sectional (CS) strategies based on past returns. While CS strategies are zero-net investment long/short strategies, TS strategies take on a time-varying net long investment in risky assets. For individual stocks, the difference between the performances of TS and CS strategies is largely due to this time-varying net long investment. With multiple international asset classes with heterogeneous return distributions, scaled CS strategies significantly outperform similarly scaled TS strategies. Received December 7, 2016; editorial decision October 5, 2017 by Editor Andrew Karolyi.

DOI
10.1093/rfs/hhx131
Volume
31
Issue
5
Pages
1784-1824
Language
en
Sources
crossref openalex

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