This paper examines how Bertrand competition affects the welfare implications of bundling by a multi-product firm, which is a monopoly over one good and faces a single-product competitor in a second good. We find that the equilibrium bundle price is lower than the sum of the prices of the two...

This paper examines differences in welfare implications between a free trade area (FTA) and a customs union (CU) for member countries differing in their market sizes. In a stylized three-country model of trade under oligopoly, we take into account the conditions that FTA members set external...