Abstract
ABSTRACTThe debate between the skill-biased technological change (SBTC) approach and the international trade (IT) explanation to obtain the best explanation for the wage gap between skilled and unskilled workers continues. In this article, we divide the Portuguese manufacturing industries into high-tech and low-tech and study the approach that best justifies the wage gap, for the period between 2007 and 2014. The results point out that the SBTC approach is the main explanation to the formation the wage gap between the labour force with tertiary education (skilled) and with secondary and primary education (unskilled).
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