Social norms constrain investors from investing in “sin stocks”, affecting the returns and corporate financial policies of such firms (Hong and Kacperczyk, 2009). This paper finds that “Saints” are influenced by social norms. In almost all instances, where an effect on “Sinners” is...

Our study considers whether ethical investments are also good investments. In contrast with previous studies, we utilize long-run event study methodology to examine abnormal returns associated with firms being included in, and dropped from, the MSCI KLD400 Social Index (MSCI KLD400). We find...