Innovation, Knowledge Diffusion, and Globalization
Nelson Lind and
No 25071, NBER Working Papers from National Bureau of Economic Research, Inc
We review a recent body of theoretical literature that links the creation and diffusion of knowledge and technology to openness. We analyze two channels through which the spread of new ideas occurs: international trade and the activity of multinational firms (multinational production). The unifying theme of our survey is methodological. We focus on quantitative general equilibrium models that treat productivities as Fréchet random variables—as in the model of trade in Eaton and Kortum (2002) (EK). We present models in the literature that extend the EK model of trade to innovation, diffusion, and multinational firms, and examine the implications for counterfactuals related to the gains from trade. We finalize with new directions for research.
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