positivepredictions of the model change very little, but the welfare costs of unemployment are muchlarger because unemployment risk is … distributed unequally across workers. As a result,optimal unemployment insurance may be higher and welfare is lower if hiring is …

Differences in regional unemployment in post-communist economies are large andpersistent. We show that inherited … variation in human-capital endowment across the regionsof four such economies explains the bulk of regional unemployment …

offices in choosing appropriate active labour marketprogrammes for their unemployed clients. This statistical support system …We evaluate a randomized experiment of a statistical support system developed to assistcaseworkers in Swiss employment … predicted the labourmarket outcome for each programme and thereby suggested an 'optimal' labour marketprogramme for each …

We evaluate the effects of outsourcing and wage solidarity on wage formation andequilibrium unemployment in a … heterogeneous labour market, where wages are determinedby a monopoly labour union. We find that outsourcing promotes the wage …

We study both the various consequences and the incentives of outsourcing. We argue thatthe wage elasticity of labour …

particular for the so-called mini-jobs and midi-jobs (low paying part-time work).Another novelty of the paper is its empirical …