This paper shows that stocks of truly local firms have returns that exceed the return on stocks of geographically dispersed firms by 70 basis points per month. By extracting state name counts from annual reports filed with the SEC on form 10-K, we distinguish firms with business operations in...

In this technical appendix we extend the results in the paper “Information sales and strategic trading.” We study the problem of a monopolist selling information to a set of risk-averse traders. We first analytically reduce the seller's problem to a simple constrained optimization, allowing...