... high rates of return for the investment on R&D; 3) In studies that measure R&D as having a strong contribute to Total Factor of Productivity (TFP), both in a enterprise and national level; An example to illustrate these statements is in order. The personal computer is referenced as an example of all these statements; developed by IBM in the United States, there isn't a single country around the world which hasn't benefited from it. Any type of investment made in the areas connected to computers, is sure to have high returns on investment. Also, it is a good that is transversal to all the areas of our economy. Surely it has revolutionized today's modern society. The report to be presented discusses the papers "R&D and Productivity: the international economy", by Helpman, E. and "Multinational Enterprises, Technology Diffusion and Host Country Productivity Growth", by Xu, B. Both papers focus on the effects ...

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