In a framework of a unionised international Bertrand duopoly with differentiated products, this paper analyses national labour market interdependencies and the consequences of trade liberalisation for union wages. The analysis suggests that national wages are likely to be strategic complements...

In oligopsonistic labour markets, firms have some market power, and a wedge is created between wages and marginal product. When oligopsonistic firms' production technology requires generally trained workers, firms may therefore receive part of the returns to general training and be willing to...