Growth accounting exercises point to aggregate TFP differences as the dominant source of the large cross-country income differences. In this paper, I ask which sectors account for the aggregate TFP gap between rich and poor countries. Data limitations for developing countries have led...

We investigate, both theoretically and quantitatively, a previously unexplored link between adult mortality and growth. Our mechanism allocates a central role to individuals as carriers of useful ideas and to personal contact as an important means of passing on the useful ideas to future...

In this model of North and South economies, growth is driven by Schumpeterian R&D and by accumulation of two types of human capital, versatile and specialized. The former is school intensive while the latter is on-the-job-training intensive. Growth is endogenous and independent of scale effects....

This paper analyzes the mechanisms, other than market size, through which international trade of intermediate goods incorporating state-of-the-art technological knowledge affects accumulation of human capital and wage inequality in the North and South. Under North-South technological diffusion,...