Finance Papers

Document Type

Journal Article

Date of this Version

2006

Publication Source

Journal of Financial Economics

Volume

81

Issue

1

Start Page

27

Last Page

60

DOI

10.1016/j.jfineco.2005.05.008

Abstract

Conventional tests of the predictability of stock returns could be invalid, that is reject the null too frequently, when the predictor variable is persistent and its innovations are highly correlated with returns. We develop a pretest to determine whether the conventional t-test leads to invalid inference and an efficient test of predictability that corrects this problem. Although the conventional t-test is invalid for the dividend–price and smoothed earnings–price ratios, our test finds evidence for predictability. We also find evidence for predictability with the short rate and the long-short yield spread, for which the conventional t-test leads to valid inference.

Copyright/Permission Statement

© 2006. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.

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Date Posted: 27 November 2017

This document has been peer reviewed.