The internet has become an important data source for the Social Sciences because these data are available without lags, can be regarded as involuntary surveys and hence have no observer effect, can be geo-labeled, are available for countries across the globe and can be viewed in continuous time...

The mild response of the German labor market to the worst global recession in post-war history appears as an economic miracle. In response to the crisis, Germany has shown to be a strong case of internal flexibility. We argue that important factors that have contributed to this development...

We study how the EU enlargement in 2004 and the Great Recession in the late 2000s have shaped the scale and composition of migration flows from the New Member States to Germany. We demonstrate that immigration increased substantially despite the restrictions on the German labor market, and that...