In this paper we build an endogenous growth model where human capital and ideas are complements in the long-run equilibrium and technological progress takes the form of a continuous increase in the number of horizontally differentiated varieties of intermediate inputs. One peculiarity of the...

The legal monopoly granted by the patent system has often been criticized for its inefficiency, which is exacerbated by the peculiarities of knowledge as a public good. In this paper we aim at studying more deeply the latter concern. Hence we build a model in which monopolistic exploitation does...

This paper overviews the main interactions between product market competition and long run growth.We focus on the first generation of R&D-based growth models and keep distinguished the vertical from the horizontal differentiation approaches. Our main objective is to study why these two branches...

This paper studies the economic determinants of the inter-sectoral allocation of skills within an R&Dbased growth model with human capital accumulation and imperfect competition. Using an aggregateR&D technology displaying constant returns to scale in human capital, I find that steady-state...