Globalisation and the fast-approaching digitalisation increase capital as well as labour mobility fostering tax competition among countries worldwide. Based on a unique dataset, we analyse the development of effective tax burdens on corporations and highly skilled labour for 26 OECD countries...

The paper reviews the evidence on the challenges of digitalization for direct (corporate profit) and indirect (consumption) taxation. Based on both anecdotal and empirical evidence, we evaluate ongoing developments at the OECD and European Union level and argue that there is no justification for...

This paper evaluates the Multilateral Convention to implement Pillar I Amount A, released by the OECD in October 2023, and the alternative proposal of Art. 12B for tax treaties suggested by the UN, with a particular emphasis on the perspective of developing countries. We conduct a comparative...

In its 2015 Final Report on “Measuring and Monitoring BEPS, Action 11”, the OECD introduced six indicators to quantify and evaluate base erosion and profit shifting (BEPS) activity over time. In this study, we revisit three selected indicators, provide a numerical update for recent periods...

The measurement of the effective tax burden on profitable investments encounters many methodological problems. Some of them can be overcome by using an approach presented by Devereux and Griffith. Based on their methodology, we develop a measure for effective tax rates for profitable investments...

Das Steuersenkungsgesetz stellt das größte Reformvorhaben auf dem Gebiet der direkten Steuern in Deutschland seit der Einführung des körperschaftsteuerlichen Anrechnungssystems zum 1.1.1977 dar. Vorgesehen sind eine Änderung des Steuersystems, eine Verringerung der Steuersätze sowie eine...

We study the effect of digital tax measures on firm value. By employing an event study methodology, we analyze investor reaction to the European Commission's proposals on the taxation of digital corporations. Examining the stock returns of potentially affected corporations surrounding the draft...

Im Rahmen dieses Aufsatzes wird unter Heranziehung der deutschen, französischen und britischen Besteuerungskonzeptionen für Kapitalgesellschaften analysiert, ob und inwieweit in Deutschland, Frankreich und Großbritannien steuerartenbezogene Einflüsse auf die Entscheidung bezüglich der...

The European Commission recently implemented the minimum tax directive (Pillar Two) to ensure that corporate profits are at least taxed at 15%. At the same time, it proposed a legislative initiative aimed at reducing the tax-induced distortions between debt and equity financing (debt-equity bias...