In labour markets with collective wage bargaining higher progressivity of the labour income tax creates a trade-off. On the one hand, wages are lowered and unemployment decreases, on the other hand, the individual labour supply decision is distorted at the hours-of-work margin. The optimal level...

Changing the income tax progressivity in labour markets with collective wage bargaining generates a trade-off. On the one hand, higher progressivity distorts individual labour supply decisions at the hours-of-work margin, on the other hand, it reduces unemployment by exerting downward pressure...

The employment effects of an ecological tax reform depend decisively on the presence of a profit tax and on the extent to which profits are taxed. This is shown in a model where firms have monopoly power on product markets and bargain over wages with unions on the labour market. In the setting,...

When we analyse the labour market consequences of labour tax reforms in a model of firm-union wage bargaining, minor changes in the formulation of the union's fallback option can have drastic effects. This paper compares two variants of the model in which either workers have no reemployment...