The so-called excess-entry theorem (Mankiw and Whinston 1986, Suzumura and Kiyono, 1987) establishes conditions guaranteeing that more firms enter a homogeneous Cournotoligopoly in equilibrium than a benevolent government prefers. We generalise the approach and analyse the behaviour of a...

In the absence of closed-shops and discriminatory wage policies, union membership can be explained by the existence of social norms. We describe a model, incorporating institutional features of the German labour market, which explicitly allows for social custom effects in the determination of...

Unemployment Insurance Savings Accounts (UISAs) entitle workers to unemployment benefits at the expense of future pension payments. Therefore, such accounts make unemployment less attractive, intensify job search, and raise employment. In the present paper the wage and employment consequences of...

A large number of articles have analysed ‘the one constant´ in the economic effects of trade unions, namely that union bargaining reduces employment growth by two to four percentage points per year. Evidence is, however, mostly related to Anglo- Saxon countries. We investigate whether a...

A large number of articles have analysed ‘the one constant´ in the economic effects of trade unions, namely that union bargaining reduces employment growth by two to four percentage points per year. Evidence is, however, mostly related to Anglo Saxon countries. We investigate whether a...

A tax buyout is a contract between tax authorities and a tax payer which reduces the marginal income tax rate in exchange for a lump-sum payment. While previous contributions have focussed on labour supply, we consider the interaction with tax evasion and show that a buyout can increase expected...

A strike insurance is integrated into a model based on one-sided private information of the firm. It is shown that the strike insurance will increase the dispute level if payments to the insurance are lump-sum or if payments from the insurance are proportional to wages. However, if wages affect...