This bold, imaginative book advances an entirely new theory of voters’ behavior.The starting point for this theory is that individuals are endowed with a set of beliefs, ora worldview, and derive psychological benefits from acting in accordance with these beliefs.However, the beliefs of most...

Empirical evidence suggests that the natural-resource curse operates through the behaviorof the political elite, yet there are few models that convincingly illustrate the mechanismat work. I present a model where natural-resource abundance generates power struggles,thereby increasing the...

We present a theory of ethnic conflict in which coalitions formed along ethnic lines competefor the economy’s resources. The role of ethnicity is to enforce coalition membership: inethnically homogeneous societies members of the losing coalition can defect to the winnersat low cost, and this...

The most striking difference in corporate-governance arrangements between rich andpoor countries is that the latter rely much more heavily on the dynastic family firm,where ownership and control are passed on from one generation to the other. We arguethat if the heir to the family firm has no...

We discuss political economy mechanisms which can explain the resource curse,in which an increase in the size of resource rents causes a decrease in the economy’stotal value added. We identify a number of channels through which resource rentswill alter the incentives of a political leader....

Growth accounting consists of a set of calculations resulting in a measure ofoutput growth, a measure of input growth, and their difference, most commonlyreferred to as total factor productivity (TFP) growth. It can be performed atthe level of the plant, firm, industry, or aggregate economy.[...]

In a model with heterogeneity in managerial talent, we compare the economicand political consequences of reforms aimed at reducing fixed costs of entry (deregulation)and improving the efficiency of financial markets (financial reform). Theeffects of these reforms depend on the market where...

Whether or not the marginal product of capital (MPK) differs across countriesis a question that keeps coming up in discussions of comparative economic developmentand patterns of capital flows. Using easily accessible macroeconomic datawe find that MPKs are remarkably similar across countries....

We study cross-country differences in the aggregate production function whenskilled and unskilled labor are imperfect substitutes. We find that there is a skill biasin cross-country technology differences. Higher-income countries use skilled labormore efficiently than lower-income countries,...

Why are some countries so much richer than others? Development Accounting is a first-passattempt at organizing the answer around two proximate determinants: factors of productionand efficiency. It answers the question “how much of the cross-country income variance canbe attributed to...