When regulated firms are offered compensation to prevent them from relocating, efficiency requires that payments be distributed across firms so as to equalize marginal relocation probabilities, weighted by the damage caused by relocation. We formalize this fundamental economic logic and apply it...

This paper investigates the joint effect of consumers' environmental concerns and product-market competition on firms' decisions whether to innovate “clean” or “dirty”. We first develop a step-by-step innovation model to capture the basic intuition that socially responsible consumers...