Ottaviano, Gianmarco I. P.; Prarolo, Giovanni - 2009
We study how the city system is affected by the possibility for the members of the same cultural diaspora to interact … across different cities. In so doing, we propose a simple two- city model with two mobile cultural groups. A localized … externality fosters the productivity of individuals when groups interact in a city. At the same time, such interaction dilutes …