This paper uses the spread of disease as a proxy to measure economic interactions. Based on a case study of the Black Death (1346-51) in the Mediterranean region and Europe, we find geographic, institutional, and cultural determinants of trade. To achieve this we create and empirically test a...

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...