This paper examines the impact on unemployment, unemployment distribution, wages and welfare of Youth Unemployment Programmes (YUPs). The aim of YUP is to increase the number of young people acquiring skills. We assume that the YUPs are a complete success and consequently analyse what happens...

This paper models the dynamic process through which a large society may succeed in building up its social capital by establishing a stable and dense pattern of interaction among its members. In the model, agents interact according to a collection of infinitely repeated Prisoner's Dilemmas played...

We propose a stylized model of a problem-solving organization whose internal communication structure is given by a fixed network. Problems arrive randomly anywhere in this network and must find their way to their respective specialized solvers by relying on local information alone. The...