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...

This paper analyzes the effects of trade and labor market liberalization on wages and worker productivity/effort in a domestic unionized firm with firm-union bargaining over wages and effort. It is shown that both types of liberalization will induce a cold shower effect(a rise in effort) if the...

This study estimates the effect of unionism on accident fatalities using two data sets on early twentieth-century coal mininga state-level data set and a mine-level data set. In both data sets, unionism is estimated to have reduced fatalities by about 40 percent. The union effect persists after...