Aging of populations and convergence between developed and developing countries in per capita incomes are shaping the evolution of saving, investment, capital flows, and, in particular, the cost of capital. When considering these trends, the existing literature argues for either continued, low...

Over the past 20 years, aggregate measures of global inequality have changed little even if significant structural changes have been observed. High growth rates of China and India lifted millions out of poverty, while the stagnation in many African countries caused them to fall behind. Using the...