We develop a unified theory with endogenous technology choice in human/knowledge capital accumulation to establish a rich array of equilibrium development paradigms, including poverty trap, middle income trap and flying geese growth. We then generalize the baseline structure and establish...

We study the impact of cognitive behavioral therapy (CBT) for individuals selected from the general population of poor households in rural Ghana. Results from 2-3 months after a randomized intervention show strong impacts on mental and physical health, cognitive and socioemotional skills, and...

This paper presents a model where human capital differences - rather than technology differences - can explain several central phenomena in the world economy. The results follow from the educational choices of workers, who decide not just how long to train, but also how broadly. A "knowledge...

Niger earns its foreign exchange mainly from uranium and gold, which has limited domestic economic linkages. Distant second, livestock export also provide important revenue to the country. Overall, most of the labor force is employed in a low productivity and shock prone rainfed agricultural...

Human capital, including health and nutrition, has played a key role in the literature on poverty traps. Economic shocks that affect human capital during early life are thought to translate into permanently reduced levels of human capital and, thereby, push individuals into poverty. Three...

Über Jahrtausende hinweg entsprach der Lebensstandard fast aller Menschen weltweit mehr oder weniger dem Existenzminimum, bis er Ende des 18. Jahrhunderts drastisch anstieg. Viele Nationen genießen heute beispiellosen Wohlstand, andere haben den Sprung aus der wirtschaftlichen Stagnation noch...

We evaluate the aggregate, distributional and welfare consequences of alternative government education policies to encourage college completion, such as making college free and improving funding for public schooling. To do so, we construct a general equilibrium overlapping generations model with...