effect that domestic innovation and technology diffusion have in explaining differences in productivity across countries and … domestic innovation than lower-income countries, whereas lower-income countries benefit more from technology diffusion; and (ii … innovation and technology diffusion are endogenous sources of comparative advantage …

.Main research areas covered by the model extension are directed technological change, innovation diffusion and technology …

We analyze recent contributions to growth theory based on the model of expanding variety of Romer (1990). In the first … development and fluctuations. In many such applications, a key role is played by complementarities in the process of innovation …