Piva, Mariacristina; Vivarelli, Marco - In: Economics of Innovation and New Technology 13 (2004) 4, pp. 329-347
In this study three possible determinants of the increase in the ratio between skilled and unskilled workers are tested together: R&D, organisational change, and foreign direct investment. After analysing the literature, these hypotheses are jointly tested using a SUR estimate. The results -...