This paper documents a longitudinal crisis of midlife among the inhabitants of rich nations. Yet middle-aged citizens in our data sets are close to their peak earnings, have typically experienced little or no illness, reside in some of the safest countries in the world, and live in the most...

The share of income held by the top 1 percent in many countries around the world has been rising persistently over the last 30 years. But we continue to know little about how the rising top income shares affect human well-being. This study combines the latest data to examine the relationship...

While economic deprivation is an important determinant of civil conflict, it cannot completely explain the incentives for warfare. In irregular wars, for example, both incumbents and insurgents may employ various tactics to win the hearts and minds of civilians in order to muster territorial...