Green or socially responsible investing (SRI) refers to making investment decisions according to both financial and ethical criteria. This paper explores the effects of ethical screening on the investment decisions of firms that fail the screen (‘polluting’ firms) and on their decisions to...

We model a market in which some investors get utility from owning shares of firms that engage in corporate social responsibility (CSR). In equilibrium, investors' CSR considerations influence portfolio choices, stock prices, and CSR spending. We study tax policy designed to maximize total giving...