We study how harmonization of corporate tax systems affects the stability of international cartels. We show that tax base harmonization reinforces collusive agreements, while harmonization of corporate tax rates may destabilize or stabilize cartels. We also find that bilateral and full...

Within the European Union, there exists a fundamental tension between the fiscal sovereignty of its Member States, in particular in the field of direct taxation, and the requirements of the Internal Market, which aim at the abolition of any regulatory or fiscal obstacles to cross border movement...