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...

In this paper the authors investigate whether and how, in a network industry, the intensity of network effects affect the total pollution under the presence of a union interested to "local" environmental damages (e.g. polluting production processes damaging workers' health and the local...