creation of new ideas, knowledge spillovers, entrepreneurship, and economic growth. In this paper we measure the impact of the … data on 170 regions in Europe (NUTS 2 level) for the periods 1991-1995 and 2001-2005. Innovation outcomes are measured by … diffusion of innovation activity, and the spatial selectivity of immigrants' location choices, we take account of spatial …

, We show that, in presence of licensing, the incentive for innovation may also be stronger under decentralized unions …