This paper studies moral hazard in a sickness-insurance fund that provided the model for socialinsurance schemes around the world. The German Knappschaften were formed in the medieval period to provide sickness, accident, and death benefits for miners. By the mid-nineteenth century,...

The German government introduced compulsory accident insurance for industrial firms in 1884. This insurance scheme was one of the main pillars of Bismarck's famous social insurance system. The accident-insurance system achieved only one of its intended goals: it successfully compensated workers...