... observations of the same year, with the same investment objective, and with similar fund size, age, andsize of the fund’s management company (all in logs). We use these variables because of theirpotential ... companies, out of a sample of thousands of US companies. Therefore, at least part of our sample of SRI mutual funds mayface only minor restrictions on their investment policies. The fraction of “sin” ... at the level of the individualfund. Mutual funds are operated by management companies, and the resources, policies, andculture of these companies play an important role in the determination of...