In many countries, the social insurance system is under pressure from an ageing population. An increasing number of people are on sickness benefits and disability pensions in Norway. The general practitioner (GP) is responsible for assessing work capacity and issuing certificates for sick leave...

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...

The aim of this paper is to test therelevance of considering private fixed transaction costsfor contract design of Agri-Environmental Schemes,when transaction costs are negatively correlated tomarginal compliance costs. In order to do so, aprincipal-agent model of contract design under...

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