This paper investigates the issue of how alternative unionization structures in labour markets affect the choice of product quality differentiation by firms in product markets, and how this determines relative welfare outcomes of different union structures. In the presence of decentralized wage...

Can a merger from duopoly to monopoly be detrimental for profits? This paper deals with this issue by focusing on the interaction between decreasing returns to labour (which imply firms’ convex costs) and centralized unionization. First, it is highlighted that a wage ‘non‐rigidity’...

In an international duopoly with two markets and two ports, this paper investigates the role of dockworkers unionisation in affecting welfare outcomes under public and private ports, as well as in determining the endogenous choice by governments of port ownership structure. While private ports...