Using data from the Austrian retail gasoline market we test the following two hypotheses derived from spatial economics: (i) Retail shops are more densely located in areas with a higher population density. (ii) Spatial competition equilibrium prices are decreasing in the density of seller...

Many studies of the determinants of investment use Tobin’s T to control for the investment opportunities of a firm. Tobin’s T roughly measures the average return on a firm’s capital anticipated by the market. More relevant for investment decisions, however, is the marginal return on...