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 overviews the main interactions between product market competition and long-run growth. We start with the first generation of R&D-based growth models and keep distinct the vertical from the horizontal differentiation approaches. Our main objective here is to study why these two...

We introduce an efficiency-wage mechanism into an innovation-driven growth model. Due to informational problems, the labour market is segmented and homogeneous workers may be employed either in a non-competitive intermediate sector or in a competitive research one. We analyse the impact that...

In this paper, we build a general model of horizontal product innovation and economic development, taking explicitely into account the most relevant insights stemming from the recent literature on this topic. What results from our analysis is that, when innovation is both deterministic and...