We present a multi-country theory of economic growth in which countries are connected by a network of mutual knowledge … knowledge throughout the world explains a period of increasing world inequality after the take-off of the forerunners of the … industrial revolution, followed by decreasing relative inequality. Knowledge diffusion through a Small World network explains the …

We present a multi-country theory of economic growth in which countries are connected by a network of mutual knowledge … country depends on its connections to the rest of the world and on the human capital of the countries it is exchanging … knowledge with. We show how the diffusion of knowledge through the world explains the evolution of global income inequality. It …

We present a multi-country theory of economic growth and R&D-driven technological progress in which countries are … countries it exchanges knowledge with. The diffusion of knowledge throughout the world explains a period of increasing world …. Knowledge diffusion through a Small World network produces an extraordinary diversity of country growth performances, including …

-degenerate world income distribution. In accordance with the empirical literature, I find that country characteristics such as the … policies such as subsidies to innovation investments explain a country's position in the eventual world income distribution …