solutions are applied to the case of Computed Tomography (CT) Scanners, a pathbreaking innovation in medical technology. The …

major changes in the American innovation ecosystem over the past century. The past three decades have been marked by a …

). We present models in the literature that extend the EK model of trade to innovation, diffusion, and multinational firms …

An inventor's own knowledge is a key input in the innovation process. This knowledge can be built by interacting with … of our new innovation-led endogenous growth model, in which innovations are produced by heterogeneous research teams of … model nests inside the innovation-based endogenous growth model. We estimate the model, which fits the data very closely …

, the forces of innovation and diffusion combine to shape trade substitution patterns. Innovation makes a country … technological similarity and increases head-to-head competition. In the special case of an innovation-only model where countries do … observable trade flows and the dynamics of innovation and knowledge diffusion …

We study the optimal allocation of R&D resources in an endogenous growth model with an innovation network, through … more R&D toward key sectors that are upstream in the innovation network. Second, we extend to an open-economy setting and … spillovers has less incentive to direct resources toward innovation-upstream sectors, leading to cross-country differences in …

The development prospects of a poor country depend in part on its capacity for innovation. The productivity of its …

Patent data have been widely used in research on technological innovation to characterize firms' locations as well as …