States merge small and medium sized municipalities to achieve economies of scale. Little is known to which extent mergers of large local governments reduce expenditures. I use the synthetic control method to identify the effect of mergers of county-sized administrations in Germany (districts) on...

How did the introduction of the Bachelor-degree system affect students in Germany? Combining rich data on university students with administrative data on universities' study programs, we exploit variation in the timing of Bachelor-degree implementation across departments. To account for...

In 2005, the unemployment benefits for long-term unemployed were reduced in Germany. We investigate the effect of this reform on the transition probability from unemployment to employment using a large German administrative spell data set (SIAB 1975 - 2010). We estimate that the daily transition...

The Tax Cuts and Jobs Act constitutes the largest change to the US tax system since the 1980s and thoroughly alters the way in which multinational companies are taxed. Current assessments on the reform's international impact vary widely. This article sheds light on the tax reform's expected...

We examine how new airport infrastructure influences regional tourism. Identification is based on the conversion of a military air base into a regional commercial airport in the German state of Bavaria. The new airport opened in 2007 and promotes travelling to the touristic region Allgäu in the...

In this paper, I study the distributional consequences of the German Hartz reforms, a set of four comprehensive labor market reforms implemented in Germany between 2003 and 2005. I exploit regional variation in the intensity German counties were affected by the reforms to estimate the causal...

This paper studies the relation between work and public health during the COVID-19 pandemic in Germany. Combining administrative data on SARS-CoV-2 infections and short-time work registrations, firm- and worker-level surveys and cell phone tracking data on mobility patterns, we find that working...

This paper addresses the credit channel in Germany by using aggregate data. We present a stylized model of the banking firm in which banks decide on their loan supply in the light of expectations about the future course of monetary policy. Applying a VAR model, we estimate the response of bank...

Using the recursive unit root test by Phillips et al. (2011) we show that the Target balances of the German Bundesbank have been explosive from the beginning of 2009 to the beginning of 2013. By implementing a full-allotment policy and reducing the required minimum quality of collaterals in...