Lucas' 1988 model of the external effects of human capital formation is used as a starting point for an analysis of the impact of human capital on wages. Most empirical tests of new growth theory are based on time-series and cross-section data. This paper suggests a microeconometric approach to...

This paper considers an economy where skilled and unskilled workers use different technologies. The rate of improvement of each technology is determined by a profit-maximizing R&D sector. When there is a high proportion of skilled workers in the labour-force, the market for skill-complementary...