Can different social groups develop different demands for social insurance of risks to health and work? We study this issue across language groups in Switzerland. Language defines social groups and Swiss language groups are separated by a clear geographic border. Actual levels of social...

Many governments subsidize regional rail service as an alternative to road traffic. This paper assesses whether increases in service frequency reduce road traffic externalities. We exploit differences in service frequency growth by procurement mode following a railway reform in Germany to...

Parental leave regulations in most OECD countries have two key policy instruments: job protection and cash benefits. This paper studies how mothers' return to work behavior and labor market outcomes are affected by alternative mixes of these key policy parameters. Exploiting a series of major...