Regional disparities are pronounced and persistent. Regional data of high quality are needed to improve the understanding of the origins and consequences of regional disparities and the effectiveness of regional policies through empirical analysis. Against the background of existing problems...

High-quality company data is crucial for state-of-the-art empirical research and competition, as well as for evidence-based policy advice, reliable forecasts and policy evaluations. In Germany, however, there are striking deficits in the availability of and access to company data compared to...