Many countries have enacted legislation over the past few decades making divorce easier. Some countries have legalized divorce where it had previously been banned, and many have eased the conditions required for a divorce, such as allowing unilateral divorce (both spouses do not have to agree on...

This survey reviews models of self-reinforcing mechanisms that cause poverty to persist. Some of them examine market failure in environments where the neoclassical assumptions on markets and technology break down. Other mechanisms include institutional failure which can, by itself, perpetuate...

Voluntary military alliances, such as NATO, are often criticized for failing to exploit the opportunities for equipment standardization and free trade. However, nationalism means that governments adopt a variety of industrial policies for purchasing defense equipment, leading to departures from...