Governments fighting terrorists have many tactical options, yet these options often yield unintended and counterproductive consequences. This paper models a terrorist organization, a religious group from which the terrorists recruit suicide bombers, and the society in which the terrorists are...

We develop and test an economic theory of insurgency motivated by the informal literature and by recent military doctrine. We model a three-way contest between violent rebels, a government seeking to minimize violence by mixing service provision and coercion, and civilians deciding whether to...

Research on insurgency has been invigorated this past decade by better data, improved methods, and the urgency of understanding active engagements in Iraq and Afghanistan. This empiricists' insurgency reinforces a classic literature on the essential role of civilians while challenging older...

We develop a dynamic theory of resource wars and study the conditions under which such wars can be prevented. The interaction between the scarcity of resources and the incentives for war in the presence of limited commitment is at the center of our theory. We show that a key parameter...

"Using a comprehensive database of firms in Western and Eastern Europe, we study how the business environment in a country drives the creation of new firms. Our focus is on regulations governing entry. We find entry regulations hamper entry, especially in industries that naturally should have...

Pensions and contemporary socioeconomic change / Assar Lindbeck -- Different approaches to pension reform from an economic point of view / Jonathan Gruber, David A. Wise -- Labor mobility, redistribution, and pension reform in Europe / Alain Jousten, Pierre Pestieau -- France: the difficult path...

Urban economics has traditionally viewed cities as having advantages in production and disadvantages in consumption. We argue that the role of urban density in facilitating consumption is extremely important and understudied. As firms become more mobile, the success of cities hinges more and...