We assess the long-run growth effects of rising longevity and increasing the retirement age when growth is driven by purposeful research and development. In contrast to economies in which growth depends on learning-by-doing spillovers, raising the retirement age fosters economic growth. How...

"We explore the relationships between subjective well-being and income, as seen across individuals within a given country, between countries in a given year, and as a country grows through time. We show that richer individuals in a given country are more satisfied with their lives than are...

This study investigates the long-term effect of the density of the elite - the highest educated - during the period 1075-1919 on today's educational attainment and economic performance in Vietnam. Using nearly 20,000 elites, including 17,061 junior bachelors and bachelors, and 2,895 doctors who...