Blanket exclusion of "brown" stocks is seen as the best way to reduce their negative externalities, by starving them of capital and hindering their expansion. We show that a more effective strategy may be tilting -- holding a brown stock if it is best-in-class, i.e. has taken a corrective...

Sustainable finance – the integration of environmental, social, and governance (“ESG”) issues into financial decisions – is an increasingly important topic. Within companies, sustainability is no longer an ancillary issue confined to corporate social responsibility departments, but a...

ESG is both extremely important and nothing special. It's extremely important because it's critical to long-term value, and so any practitioner or academic should take it seriously, not just those with "ESG" in their job title or list of research interests. Thus, ESG doesn't need a specialized...