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Article

Is There a Risk and Return Relation?

Citation
McMillan D, Fifield S & McMillan F (2020) Is There a Risk and Return Relation?. European Journal of Finance. https://doi.org/10.1080/1351847X.2020.1724551

Abstract
Traditional finance theory posits that the relation between the risk and return of stocks is positive. Furthermore, investment practice is often based on the central contention that high (low) beta stocks earn higher (lower) returns. However, this fundamental relation is questioned by a several researchers who assert that the relation is, in fact, negative. Consequently, a growing body of research examines the nature of the stock return-risk relation using both market- and firm-level data. The results of this research are mixed. The purpose of this paper is to shed further light on this question by (i) examining both market- and firm-level price data; (ii) employing a battery of tests, including individual market, panel and quantile regressions; and (iii) analysing the nature of the relation during periods of high and low volatility and in bull and bear markets. The results indicate that there is no single robust relation between risk and return. Of note, the results suggest a positive relation when returns are high and during bear markets. Furthermore, the finding of a positive relation is stronger (i) at the market-level than the firm-level; and (ii) over long time periods. However, the analysis indicates that a negative relation exists at low return levels, during bull markets and, even more so, at the individual firm level. Overall, the results suggest that the risk-return relation is switching in nature and is primarily driven by changing risk preferences. Notably, a positive relation exists when macroeconomic risk plays a larger role.

Keywords
Stocks; return; risk; volatility; quantile; bull v’s bear; index; firm-level

Notes
Output Status: Forthcoming/Available Online

Journal
European Journal of Finance

StatusPublished
Author(s)McMillan, David; Fifield, Suzanne; McMillan, Fiona
Publication date online13/02/2020
Date accepted by journal20/01/2020
URLhttp://hdl.handle.net/1893/30725
ISSN1351-847X
eISSN1466-4364
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