Fairtrade certification is intended to improve both the income and living conditions of producers, thereby creating more fairness in international trade. However, theoretical considerations and empirical studies show that this goal is only achieved to a limited extent, at least for coffee:...

German voters in the 2019 European election showed remarkable regional differences in their voting behavior. The Green Party surged in West German districts, while the AfD further consolidated its successes in East Germany. Investigating structural differences at the district level reveals that...

Residential heating accounts for almost one-fifth of Germany's final energy consumption. This report evaluates an extensive database of heating bills for buildings with two or more apartments, representing more than two-thirds of the total housing stock in Germany. Despite commitments to...

More than one in four patents that major German companies apply for is based on inventions from their research laboratories abroad. In three quarters of the cases, the companies have focused on technologies in which they are very strong at home. Therefore, to a great extent the technological...