The book describes the difficulties of the current international corporate income tax system. It starts by describing its origins and how changes, such as the development of multinational enterprises and digitalization have created fundamental problems, not foreseen at its inception. These...

In this research paper, we attempt to estimate the tax revenues to be gained (or lost) by the South Centre and African Union's Member States under the Amount A and Article 12B regimes. Our analysis relied on sources of information available to private sector researchers but did not involve...

This paper evaluates the Multilateral Convention to implement Pillar I Amount A, released by the OECD in October 2023, and the alternative proposal of Art. 12B for tax treaties suggested by the UN, with a particular emphasis on the perspective of developing countries. We conduct a comparative...