People from specific ethnic, religious, or other externally identifiable groups are often subjected to harsher repression than others. This phenomenon of demographically targeted repression is often viewed as a result of xenophobia. I provide a rationalist explanation of demographic targeting to...

When the future evolution of demographic processes is described in a stochastic setting, the challenge is to communicate the meaning of forecast uncertainty in an understandable way, to decision makers and public at large. For the purpose of risk communication, a formal setting is developed, in...