This paper explores the relation between vertical disintegration and the co-localization of knowledge intensive business service (Kibs) firms in the metropolitan region of Milan, using micro-geographic data and nonparametric methods. Our main results are that: (i) compared to other manufacturing...

We propose an evolutionary game to analyse the dynamics of tolerance among heterogeneous economic agents. We show that: (i) intolerance is much more persistent than tolerance; (ii) a fully tolerant society assures prosperity; (iii) cultural integration should precede economic integration.