The aim of this paper is to measure the impact of migration flows on growth via their effect on structural change. To this extent we build an empirical growth model in which migration flows and intersectoral wage differentials can affect the speed of labour readjustment between sectors and,...

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In this paper we put forward a model of basic research and long-run economic growth in which the incentives of social reward to scientific work may produce increasing returns and multiple equilibria. The state organizes production of new knowledge - a public good that improves firms technology -...

In this paper we investigate the aggregate implications of social interactions for basic research and economic growth. In particular, we focus on the effects of both the size of the scientific community and the strenght of social exchange among researchers on science productivity and uneven...