In the course of history, a large number of politicians have been assassinated. Rational choice hypotheses are developed and tested using panel data covering more than 100 countries over a period of 20 years. Several strategies, in addition to security measures, are shown to significantly reduce...

We propose an immigration policy based on the model of cooperatives. Incoming migrants have to acquire a participation certificate. In exchange, the immigrants may enter the country of choice without danger. The revenue goes to the country of the recipient nation rather than to human smugglers....