The new OECD Multilateral Instrument to amend tax treaties (MLI) is an important innovation in international law. Hitherto, international economic law was built primarily on bilateral treaties (e.g., tax treaties and BITs) or multilateral treaties (the WTO agreements). The problem is that in...

The past decade has witnessed the creation of a new international tax regime (ITR). The original ITR was created a century ago by the League of Nations. Until the 1980s, it functioned reasonably well, and prevented most instances of double taxation and double non-taxation by allocating...

The global corporate minimum tax (GLoBE) as embodied in Pillar 2 of the OECD/IF BEPS 2.0 proposal was set in October 2021 at 15% of the financial statement income of within scope MNEs. That is also the rate and the base of the new US corporate alternative minimum tax (CAMT). The Single Tax...

This Perspective explores the implications for the home countries of large MNEs of the agreement reached by over 140 countries in 2021 to enact a corporate minimum tax of 15%. It argues that the corporate minimum tax complements the trend to reduce the negative impact of unfettered globalization...

This paper addresses three questions: 1. Is there evidence that the tax systems of different countries have converged (i.e., become more similar) in the period 1980-2010? 2. If so, what is the explanation for this convergence? 3. Is convergence a positive or negative development?