We investigate multinational firms' activities in tax havens and regulatory efforts to curb these activities in three steps. First, we discuss the evolution of information exchange and disclosure regimes among tax authorities, with a focus on the recent Countryby-Country (CbC) reporting regimes,...

Many countries have introduced patent box regimes in recent years, offering a reduced tax rate to businesses for their IP-related income. In this paper, we analyze the effects of patent box regimes when countries can simultaneously use patent boxes and R&D subsidies to promote innovation. We...

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...

Our study investigates firms' internal digitalizationas a crucial foundation for timely, data-driven decision making. We evaluate the association between digital infrastructure and improved decision making intax planning decisions to analyze if the benefits of digitalization expand beyond firms'...

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...

As part of its action plan against base erosion and profit shifting (BEPS), the OECD (2015) has proposed six indicators to measure profit shifting activity. These indicators add to past and ongoing efforts in academic tax research to empirically identify the scale and tax sensitivity of...

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...

We analyze the compliance costs of individual taxpyers resulting from the German income tax. using survey data that has been raised between December 2008 and April 2009, we find evidence for a considerably higher cost burden of self-employed taxpaxers. Taxable income and the demand for external...

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...

Tax incentives are a key component of governments’ investment policy mix as they directly impact companies’ tax burden. In this paper, we illustrate the EU’s tax attractiveness as investment location over time in terms of effective average tax rates and evaluate potential tax reform...