Greunz, Lydia - In: Journal of Evolutionary Economics 14 (2004) 5, pp. 563-592
based on a model that integrates different kinds of diversity measures aiming at capturing Jacobs externalities, a … production specialisation measure aiming at capturing Marshall-Arrow-Romer (MAR) externalities and regions as well as sector … that both kinds of externalities significantly influence innovation, although the influence of Jacobs externalities is more …