Externalities play a central role in most theories of economic growth. We argue that international externalities, in … particular, are essential for explaining a number of empirical regularities about growth and development. Foremost among these is … that many countries appear to share a common long run growth rate despite persistently different rates of investment in …

The paper attempts to interpret a few stylized facts of international economic growth by means of an open economy … evolutionary model. The idea is that growth models that incorporate a richer representation of the properties and effects of … technological change can give a better explanation of the differentials in the growth performance and development patterns of …