This note analyzes duopoly competition in a two stage (location-price) game, while allowing each f irm to establish a couple of outlets. Both the circle and the line mo del of spatial competition are considered. The main result is clear-c ut: in equilibrium neither firm will take up the...

This paper allows for endogenous costs in the estimation of price cost margins. In particular, we estimate price-cost margins when firms bargain over wages. We extent the standard two-equation set-up (demand and first-order condition in the product market) to include a third equation, which is...