Global tax governance has long struggled with ineffectiveness, as reflected in rising corporate tax avoidance that costs governments hundreds of billions of dollars annually. In response, the Organisation for Economic Cooperation and Development (OECD)/G20 advanced the most ambitious initiative...

This project reviews the revenue implications of the introduction of a global implementation of unitary taxation and formula apportionment. The combination of a various sources of firm-level data allows to learn more about the channels and the extent of the reallocation of tax revenues. The...

We provide firm-level evidence on expected tax burdens under the OECD's Pillar Two minimum tax using hand-collected financial statement disclosures from listed multinational groups headquartered in countries where Pillar Two has already taken effect. Our setting exploits a common reporting...

The international tax system faces a longstanding legitimacy crisis rooted in structural inequities. Multinational enterprises and high-net-worth individuals exploit loopholes and tax havens, costing governments over USD 650 billion annually and disproportionately constraining developing...

This paper extends the sufficient statistics approach to study international tax policy. International policy differs from domestic policies because i.) from the perspective of domestic policy makers the welfare weight on foreign agents lies below that of domestic agents, and ii.) behavioral...

Analysis of the international network of double tax treaties reveals a large potential for tax avoidance. Developing countries are, on average, not more likely to suffer from tax revenue losses than other countries. Yet, this average masks the fact that several countries, such as Bangladesh,...

For the better part of the last decade, the global minimum tax, or Pillar Two, has dominated international tax policy discussions. Developing out of the Base Erosion and Profit Shifting (BEPS) Project at the Organisation for Economic Co-operation and Development (OECD), Pillar Two's main...

We investigate how tax authorities use joint tax audits as a coordinated enforcement tool in cross-border transactions of a multinational firm. Joint tax audits aim to resolve potential tax disputes early, before such disputes escalate into costly and time-consuming resolution procedures that...

This paper presents a comparative empirical analysis of multinational profit shifting using two principal data sources: the OECD Country-by-Country Reporting (CbCR) statistics and ORBIS firm-level financial data. We begin by systematically examining structural and reporting differences across...

We study how the OECD transfer pricing guidelines aimed at curbing tax-motivated transfer pricing practices affect investment incentives. Our theoretical model integrates the different OECD's transfer pricing methods into the tax planning cost function of an MNC to evaluate how the choice of...

For the better part of the last decade, the global minimum tax, or Pillar Two, has dominated international tax policy discussions. Developing out of the Base Erosion and Profit Shifting (BEPS) Project at the Organisation for Economic Co-operation and Development (OECD), Pillar Two's main...

The FITAS assessment tool allows an evaluation and rating of a tax administration’s capacity to manage international tax risks, against a continuum that represents progress toward international good practice. For each FITAS category and element, questions have been designed to help tax...

Digital Services Taxes (DSTs) and the OECD/G20 BEPS reforms are central pillars of current efforts to tax multinational digital platforms, yet their joint effects remain poorly understood. We develop a model of a platform that sells hardware to consumers and advertising to firms, with the two...

This literature review draws on Foucault’s concept of problematization to examine how academic discourse "stages" debates on whistleblowing. By staging these debates, different streams of literature assign distinct roles and "scripts" to whistleblowing, shaping the practice of whistleblowing...

In this paper, we attempt to estimate the tax revenues to be gained by the Member States of ATAF, WATAF, AU and the South Centre under the Amount A and an alternative stylized DST taxation regime. Our research demonstrates that the comparative revenue effects of the Amount A and DST taxation...

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...