Concentration – the share of an industry’s output accounted for by its largest firms and a frequently used proxy of competition – has increased in European countries. This paper provides evidence about this development by introducing several methodological refinements in the cross-country...

This paper develops a taxonomy of 151 industries, mainly defined at the 3-digit level, indicating at which geographical level competition takes place. It classifies 40 industries as competing at the domestic level, 85 at the European level, and 26 at the global level. First, this paper creates a...