Empirical evidence suggests that networks of personal relations are important in the micro dynamics of labor markets: even in modern capitalistic economies a high share of jobs are filled by social referrals. This paper aims at shedding light on an apparent puzzle concerning the relationship...

After the start of transition, in Central European Economies the restructuring process of large state enterprizes was accompanied by high unemployment all through the '90s. Social policy expenditures, particularly targeted to the non-employed, grew faster than expected due to the need to finance...

We analyse labor market dynamics with an agent based model, which replicates a set of stylized facts in the labor market as well as aggregate regularities. We are able to reproduce the Beveridge curve, job creation and destruction flows, a persistent unemployment level, and wages stickiness. On...

This paper investigates the role of skills and the division of labor among participants in collective inventions. Our analysis draws on a large sample of projects registered at Sourceforge.net, the world’s largest incubator of open source software activity. We explore the hypothesis that the...