Violent conflict destroys resources. It generates “destruction costs.” These costs have an important effect on individuals’ decisions to cooperate or conflict. We develop two models of conflict: one in which conflict's destruction costs are independent of individuals’ investments in...

The 'folk theorem' suggests that the shadow of the future coupled with the threat of lost business can create cooperation without government. Although institutions rooted in this theorem can support self-enforcing exchange in a wide variety of contexts, their potential to create cooperation is...

How far can we stretch the scope of spontaneous order? Gordon Tullock's important work on the economics of non-human societies shows how these societies are able to coordinate without command despite features economists typically see as limiting the scope of spontaneous order. Using Tullock's...