On 3 June 2020, the German government announced a temporary value added tax (VAT) rate reduction. VAT rates were reduced on 1 July 2020 and went back to their previous level on 1 January 2021. We study the price effects of the temporary VAT rate reduction using a web-scraped data set covering...

On 3 June 2020, the German government announced a temporary value added tax (VAT) rate reduction. VAT rates were reduced on 1 July 2020 and went back to their previous level on 1 January 2021. We study the price effects of the temporary VAT rate reduction using a web-scraped data set covering...

In this paper, we define a new class of richness measures. In contrast to the often used headcount, these new measures are sensitive to changes in rich person's income and therefore allow for a more sophisticated analysis of richness. We demonstrate the application of these new measures to...

Die Bekämpfung der Arbeitslosigkeit gehört zu den wichtigsten wirtschaftspolitischen Herausforderungen. Von dieser Arbeitslosigkeit sind gering qualifizierte Arbeitnehmer in besonderer Weise betroffen. Ziel des von uns entwickelnden Kombilohn-Verfahrens für den Niedriglohnsektor ist es,...

The introduction of a flat tax is supposed to have several advantages. Administration and compliance costs are reduced, as well as incentives for tax evasion. Furthermore, positive employment and growth effects are expected. Despite these advantages, a flat rate tax is not very popular in most...

In der ökonomischen Literatur wird oft argumentiert, dass Kombilohnmodelle und Grundeinkommenskonzepte im Prinzip nur Varianten einer negativen Einkommenssteuer seien. Dabei wird oft übersehen, dass diese Konzepte sehr unterschiedliche Gruppen der Bevölkerung einbeziehen. Dieser Beitrag...

This paper deals with the impact of electoral competition on politicians´ outside earnings. We propose a simple theoretical model with politicians facing a tradeoff between allocating their time to political effort or to an alternative use generating outside earnings. The model has a testable...