Virtually all industrialized nations have annual per capita incomes greater than $15,000; meanwhile, over three billion people, more than half the worlds population, live in countries with per capita incomes of less than $700. Development economics studies the economies of such countries and the problems they face, including poverty, chronic underemployment, low wages, rampant inflation, and oppressive international debt. In the past two decades, the international debt crisis, the rise of endogenous growth theory, and the tremendous success of some Asian economies have generated renewed...