Globalisation affects the behaviour of managers of companies and brings many new possibilities in management. These changes affect activities related to tax optimization and they can be collectively called as international tax planning. This paper monitors current situation of tax planning...

We develop a methodology to decompose the tax revenue impact of the global minimum tax introduced in 2024 into several components and quantify its potential impact on profit shifting. We apply it to 34 thousand multinational-country observations from tax returns, financial statements and...

The Global Minimum Tax (GMT) is applied only to firms above a certain size threshold, permitting countries to set differential tax rates for small and large firms. We analyse tax competition between a tax haven and a non-haven country for heterogeneous multinationals to evaluate the effects of...

The journalistic scandal that reached the headlines with the iconoclastic expression “LuxLeaks” has raised an EU wide debate about national tax administrations' advance ruling practices and it calls for a need to establish the acceptable boundaries between fair and harmful tax competition in...

We show that corporate taxation systems regarding foreign dividends and capital gains across 49 countries differ in many aspects, contradicting the requirements for capital ownership neutrality and indicating that ownership patterns are distorted. Consequently, a national tax policy maker may...

International corporate tax issues are now prominent in public debate, most notably with the current G20-OECD project addressing Base Erosion and Profit Shifting (‘BEPS'). But, while there is considerable empirical evidence for advanced countries on the cross-country fiscal externalities at...

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 show that corporate taxation systems regarding foreign dividends and capital gains across 49 countries differ in many aspects, contradicting the requirements for capital ownership neutrality and indicating that ownership patterns are distorted. Consequently, a national tax policy maker may...

Using a meta-regression analysis, we quantitatively review the empirical literature on the relation between effective tax rate (ETR) and firm size. Accounting literature offers two competing theories on this relation: The political cost theory, suggesting a positive size-ETR relation, and the...

Has a $5.00 shipping fee ever made you second guess an online purchase? What about a sales tax? Apparently, our Supreme Court Justices pay no mind to the latter. South Dakota v. Wayfair annihilates the concept of tax-free online shopping and allows the states to compel online companies meeting...