We provide a potential explanation for the absence of, and unwillingness to create, centralized power in the hands of a national state based on the political agenda effect. State centralization induces citizens of different backgrounds, interests, regions or ethnicities to coordinate their...

Political leaders make policy choices which are often hard to explain via institutions. We use the behavior of Colombian paramilitary groups as an environment to study non-institutional sources of variation in how public good provision and violence are combined to control populations. We...