A government authority regulates an upstream monopolist only if there is a sufficient welfare increase to justify doing so. A downstream firm strategically increases costs in order to force regulation upstream. The decision to regulate increases profit downstream, reduces profit upstream and...

The literature on intra-industry trade and strategic trade policy has always considered only profit-maximizing private firms being active in international trade. This paper incorporates state-owned public firms in the context of intra-industry trade. The existence of welfare-maximizing public...

We characterize equilibrium plant locations for a spatial multi-plant Cournot oligopoly in a circular city. Previous work demonstrates that for a two-plant duopoly, all four plants are equally spaced. We establish that the equilibrium location pattern is unique if there are two firms with an...