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Economics Research International
Volume 2011 (2011), Article ID 401928, 14 pages
Review Article

R&D Direction and North-South Diffusion, Human Capital, Growth, and Wages

Faculdade de Economia, Universidade do Porto and CEFUP, Rua Roberto Frias, 4200-464 Porto, Portugal

Received 18 January 2011; Revised 11 April 2011; Accepted 5 May 2011

Academic Editor: Almas Heshmati

Copyright © 2011 Óscar Afonso. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper highlights some recent components related to the endogenous growth literature; in particular, (i) research and development progress, direction, and diffusion; (ii) human-capital accumulation; (iii) wage inequality; (iv) nonscale economic growth, showing how each one has been treated by the existing seminal literature and the expected impact of bringing them together. The connection of the different components is mainly done by involving the leading literature on North-South technological-knowledge diffusion by imitation under trade, and the prevailing literature on intra- and intercountry wage inequality.