RT Journal Article SR Electronic T1 Stock Prices and the Business Cycle JF The Journal of Portfolio Management FD Institutional Investor Journals SP 59 OP 64 DO 10.3905/jpm.1975.408521 VO 1 IS 3 A1 Geofiey H. Moore YR 1975 UL https://pm-research.com/content/1/3/59.abstract AB