This paper presents empirical evidence on the proposed Global Minimum Tax (GMT) of the OECD’s Pillar 2. First, it addresses how many, and which, countries or country groups can be seen as constituting a “critical mass” for its successful implementation; given such a critical mass,...

Based on the agreed Pillar 1 threshold of profitability of 10% (and given that financial and extractive companies are excluded), then only 78 of the world’s 500 largest companies will be affected. If the proportion of profit above this threshold liable to Amount A is set to 20% (from the...