According to the existing literature, capital taxes should not be imposed in the presence of optimal profit taxation in either unionised or competitive labour markets. We show that this conclusion does not hold for an economy with both competitive and unionised sectors, where the competitive...

This paper develops a general equilibrium dual labour market model which incorporates union bargaining with monopolistically competitive firms. It is shown that not only the degree of union bargaining power but also the market power firms possess on the product market have a positive influence...

We analyze the effects of unionization on the decision of a firm to either produce at home or abroad. We consider a model in which home and foreign workers are perfect substitutes and firms have an informational advantage concerning their productivity. The union offers wage-employment contracts...