RT Journal Article SR Electronic T1 Does Ethical Investing Impose a Cost Upon the Firm? A Theoretical Perspective JF The Journal of Investing FD Institutional Investor Journals SP 57 OP 61 DO 10.3905/joi.1997.57 VO 6 IS 4 A1 James J. Angel A1 Pietra Rivoli YR 1997 UL https://pm-research.com/content/6/4/57.abstract AB