Statistical Analysis in surveys is generally facing missing data. In longitudinal studies for some missing values there might be past or future data points available. The question arises how to successfully transform this advantage into improvedimputation strategies. In a simulation study the...

In dieser Studie werden umfassende mikrodatenbasierte Analysen zur gesamten Verteilungswirkung des deutschen Steuersystems durchgeführt. Einbezogen werden die Einkommensteuer einschließlich der Unternehmensteuern auf ausgeschüttete Gewinne, die indirekten Steuern und die Sozialbeiträge....

The idea of higher wealth taxes to finance the mounting public debt in the wake of the financial crises is gaining ground in several OECD countries. We evaluate the revenue and distributional effects of a one-time capital levy on personal net wealth that is currently on the German political...

In response to increasing health expenditures and a high number of physician visits, the German government introduced a copayment for ambulatory care in 2004 for individuals with statutory health insurance (SHI). Because persons with private insurance were exempt from the copayments, this health...