Bonfiglioli, Alessandra; Crinò, Rosario; Gancia, Gino - 2019
contribution of the number of firm-products, their average attributes (quality and efficiency) and heterogeneity around the mean … of heterogeneity from that of granularity. Our results show that the number of firm- products explains half of the … main driver of firm heterogeneity. While individual firms matter, we find that heterogeneity is more important than …