We examine why heterogenous communities may fail to provide public goods. Current work characterizes sanctioning free-riders as an under-supplied public good. We argue that often free-riders can be punished by the coordinated action of a group. This punishment can be profitable, and need not be...

We study contestability in non-profit markets when non-commercial providers supply a homogeneous collective good through increasing-returns-to-scale technologies. Unlike in the case of for-profit competition, in the non-profit case the absence of price-based sales contracts means that fixed...

Human societies of all kinds solve a problem of order. That is what differentiates them from sets of isolated individuals. The problem may be solved in various ways: in particular, some societies possess a state which provides order, while others are stateless. However, the existence of a state...