Does a country's level of unemployment have an impact on the long-run growth rate? Incorporating unemployment into a generalised augmented Solow-type growth model, yields some answers to this question. In particular, we show that the impact of unemployment on productivity growth heavily depends...

The paper analyses the potential of the hydrogen economy in German districts and cities. The paper focuses particularly on regions suffering from strong ongoing structural change. The assessment is based on quantitative indicators for the supply structures (renewable energy, pipeline network),...