A growth model with endogenous innovation and accumulation of high-tech and low- tech human capital is developed. The model accounts for a recently established fact about human capital composition, which stated that \the richest countries are investing proportionally less than middle income...

The years following the Second World War were those of the greatest economic growth that Europe had ever seen. If the countries of the Iberian Peninsula, neutral in the conflict and ruled by dictatorial regimes, enjoyed that growth and had participated in the convergence phenomenon, Ireland,...

The effect of human capital on growth and development has been somewhat neglected in economic literature. However, evidence has suggested the importance of engineering and technical skills to economic growth. Simultaneously, European Commission and OECD has presented data that reveal the...

Research and Development (R&D) endogenous growth models predict and most evidence show that investment in R&D increases with economic development. We consider the type of human capital mainly used in research labs and show that the richest countries are investing proportionally less than middle...