Taxation of cross-border services has been identified as a high priority issue in the United Nations (UN) negotiations to establish a new global framework for tax. This paper analyses the defects of international tax rules as applied to services, and their exploitation by multinational...

This paper documents the rise of corporate tax-base narrowing measures in the EU using a novel dataset covering both tax rate and tax base reforms implemented between 2014 and 2022. Our findings indicate a shift away from the ’cut rate – broaden base’ approach, as governments increasingly...

This paper aims to test the hypothesis of the existence of significant tax competition between communes, which mainly concerns the share of value-added tax (VAT) proceeds, by exploring the system for allocating intergovernmental transfers in Morocco and analyzing the determinants of VAT...

Carbon pricing is becoming increasingly common but raises equity concerns and is frequently perceived as putting higher burdens on the poor than the rich. This chapter discusses the reasons for unequal carbon price burdens across countries and population groups, through the lens of a comparative...

We study how individuals adjust their labor supply in response to tax reforms that alter income tax progressivity. In an online experiment with 522 participants, we compare responses to reforms that replace a progressive tax system with a flat tax and vice versa. We find asymmetric effects:...