This report presents new evidence on industry concentration trends in Europe and in North America. It uses two novel data sources: representative firm-level concentration measures from the OECD MultiProd project, and business-group-level concentration measures using matched...

This paper describes the coverage and representativeness of Orbis, a commercial database of firm-level records across many countries. Such databases can provide key insights into global economic trends and shed light on how policies affect firms within and across countries. As a benchmark, the...