Health care systems are under reform in many countries. This typically involves a shift towards more competition. But still, markets are highly regulated. This study analyzes competition and regulatory measures in four important fields using the modern tools of microeconomic theory and...

Exploiting the German 2008 tax reform we employ an event study design to assess the effects of local corporate taxes on stock prices. We match firms to the local tax rates at their respective headquarters and analyze the differential stock market responses to the reform decision. We find that...

We study the effectiveness of local borrowing regulations in maintaining fiscal sustainability and the effect of supervision over municipal budgeting on local debt using a panel on municipalities in Germany's most populous state of North Rhine-Westphalia from 2003 to 2011. The identification...

Das Projekt analysiert die Preiswirkungen der Mehrwertsteuersenkung im Juli 2020 sowie die der entsprechenden Anhebung im Januar 2021 im Rahmen des Konjunkturpakets der Bundesregierung im Zuge der Corona-Pandemie. Die Untersuchung basiert auf Scannerdaten der GfK, die Informationen über die...

Exploiting the German 2008 tax reform we employ an event study design to assess the effects of local corporate taxes on stock prices. We match firms to the local tax rates at their respective headquarters and analyze the differential stock market responses to the reform decision. We find that...