The performance of a firm is influenced by decisions made by the firm itself as well as factors external to it. Firm competencies are important but also competencies that pertain to territories. External factors encompass different aspects of the environmental context in which firms operate,...

There is a substantial heterogeneity in productivity when comparing individual firms. However, even when heterogeneity is found, some questions still remain unaddressed. For instance, when focusing on EU nothing is known about the importance of firms' heterogeneity compared with that of...