This paper introduces endogenous and directed technical change in a growth model with environmental constraints. A unique final good is produced by combining inputs from two sectors. One of these sectors uses "dirty" machines and thus creates environmental degradation. Research can be directed...

The geographical sources of innovation of firms have been hotly debated. While the traditional view is that physical proximity within city-regions is key for the innovative capacity of firms, the literature on ‘global pipelines’ has been stressing the importance of establishing communication...

Creative cities are seen as important sites for the generation of new ideas, products and processes. Yet, beyond case studies of a few high-profile cities, there is little empirical evidence on the link between local creative industries concentration and innovation. This paper addresses this gap...

We analyse an economy where managers engage both in the adoption of technologies from the world frontier and in innovation activities. The selection of high-skill managers is more important for innovation activities. As the economy approaches the technology frontier, selection becomes more...

This paper studies the conditions under which the scarcity of a factor (in particular, labor) encourages technological progress and technology adoption. In standard endogenous growth models, which feature a strong scale effect, an increase in the supply of labor encourages technological...