RT Journal Article SR Electronic T1 Global Equities JF The Journal of Investing FD Institutional Investor Journals SP 43 OP 49 DO 10.3905/joi.2001.319471 VO 10 IS 3 A1 Mark A. Barnes A1 Anthony Bercel A1 Steven H. Rothmann YR 2001 UL https://pm-research.com/content/10/3/43.abstract AB The ongoing globalization of world economies and introduction of the euro have prompted the reevaluation of country and sector effects on security returns. Here is research on the relative importance of countries and sectors and the changes over time. While sectors seem to be growing in importance, country effects remain significant. Given a belief that this situation will persist for some time, the authors argue that active strategies cannot afford to ignore country effects.