Societies provide institutions that are costly to use, but able to enforce long-run relationships. We study the optimal decision problem of using self-governance for risk sharing or governance through enforcement provided by these institutions. Third-party enforcement is modelled as a costly...

With the development towards comprehensive and more sophisticated border control regimes, the problem of protection seekers’ access to EU territory has increasingly come into focus. Disorderly movement is presently the main avenue to safety in the EU, and human smugglers act as important...

A number of authors have attemted to test whether the U.S. economy is in a determinate or an indeterminate equilibrium. We argue that to answer this question, one must be impose a priori restrictions on lag length that cannot be tested. We provide examples of two economic models. Model 1...