RT Journal Article SR Electronic T1 Time–lagged interactions between stocks prices and selected economic variables JF The Journal of Portfolio Management FD Institutional Investor Journals SP 61 OP 67 DO 10.3905/jpm.1991.409351 VO 17 IS 4 A1 Samuel B. Bulmash A1 George William. Trivoli YR 1991 UL https://pm-research.com/content/17/4/61.abstract AB