Socio-economic interrelationships among regions can be measured in terms of economic flows, migration, or physical geographically-based measures, such as distance or length of shared areal unit boundaries. In general, proximity and openness tend to favour a similar economic performance among...

This discussion paper led to an article in <I>Regional Studies</I> (2014). Volume 48, issue 4, pages 624-645.<P> Knowledge triggers regional growth. Evidence suggests that skilled labour force concentrates in islands of innovation, determining an advantage for innovative regions and a challenge for...</p></i>

This paper enters the debate on the islands of innovation through the lens of the standard Lucas (1988) growth model. It begins with a review of the theoretical details of the model and of the ensuing main empirical results, which can be identified when estimating such model on a sample of 261...