We analyse how the presence of trade unions affects the pattern of mergers in an international oligopoly and the welfare implications thereof. We find that an international merger results in lower wages for all firms. A national merger results in higher wages, highest for the non-merging firms....

In a two-country reciprocal-dumping model, with one country unionized, we analyse how wage setting and firm location are influenced by trade liberalization. We show that trade liberalization can induce a unionized firm to move all production abroad. This cannot prevail in a corresponding,...

We examine how a merger affects wages of unionized labour and, in turn, the profitability of a merger under Cournot competition in differentiated products. If unions are plant-specific, we find that a merger is more profitable than in a corresponding model with exogenous wages. In contrast to...