-R&D investments. In endogenous union structures, we investigate the conditions under which firm-level unions may strategically collude …&D investments. We show that, separate firm-level unions are sustained in the equilibrium, where product quality and the level of R …

-level unions may strategically collude, or not, and the impact of their decisions upon the firmsâ�� incentives to … firms' products, an industry-wide union emerges (separate firm-level unions sustain) in the equilibrium, where product …

In a union-oligopoly static framework we study the role of unions regarding the possibility and the effects of … sufficiently risk-averse and firmsâ�� products are sufficiently close substitutes, then collusion among firms may emerge … rents despite it is the unionâ��s presence which effectively sustains collusion. …

firm declines with the number of firms (business stealing), there is excessive entry into such oligopoly. If trade unions …Trade unions are often argued to cause allocative inefficiencies and to lower welfare. We analyze whether this … evaluation is also justified in a Cournot-oligopoly with free but costly entry. If input markets are competitive and output per …

), there will be excessive entry into a Cournot oligopoly for a homogeneous commodity. However, input markets are often …

or discriminatory. Firms are heterogenous with regard to international competition. When unions choose their wage regimes … is sufficiently intense, both unions revert to the discriminatory regime. Paradoxically only in those latter instances … all parties (consumers, workers and firms) may be better off (each in aggregate) if all unions adopt a uniform wage regime …

powerful unions. In contrast, we obtain a domestic merger outcome whenever firms are sufficiently heterogeneous (in terms of … than under a cross-border merger outcome. -- Unionization ; International Oligopoly ; Endogenous Mergers ; Countervailing …

), there will be excessive entry into a Cournot oligopoly for a homogeneous commodity. However, input markets are often …

firm declines with the number of firms (business stealing), there is excessive entry into such oligopoly. If trade unions …Trade unions are often argued to cause allocative inefficiencies and to lower welfare. We analyze whether this … evaluation is also justified in a Cournot-oligopoly with free but costly entry. If input markets are competitive and output per …