Countries and international organizations working on longer-range development issues depend on long-term quantitative projections and scenario analysis. Such forecasting has become increasingly challenging, thanks to the rapid pace of globalization, technological progress, the interplay among...

Human, natural, and physical capital assets are a country's main resources for growth and welfare improvements. Their distribution, growth and productivity largely determine people's income and welfare. The poor rely on human and natural capital in addition to physical capital, so the...