We estimate the effects of income from various sources on charitable giving using administrative German income tax data. We demonstrate that charitable contributions are not uniformly affected by different income types. While business and capital income exhibit a positive effect, the remaining...

We document substantial cross-sectional heterogeneity of German establishments' real wage cyclicality over the business cycle. While wages of the median establishment are moderately procyclical, 36 percent of establishments have countercyclical wages. We estimate a negative connection between...

We document substantial cross-sectional heterogeneity of German establishments' real wage cyclicality over the business cycle. While wages of the median establishment are moderately procyclical, 36 percent of establishments have countercyclical wages. We estimate a negative connection between...

We develop and estimate a model of jointly optimal income taxes for different types of income. Compared to standard optimal tax formulas, optimal schedular income tax rates additionally depend on cross-elasticities between tax bases capturing fiscal externalities. We discuss two applications:...