Fresh Ideas Emerge for New EU Budget Levies

This article examines how the shift away from globalization may reshape taxation and tax policy. It analyzes the relationship among globalization, tax competition, capital mobility, and the financing of social safety nets, arguing that deglobalization may give governments greater room to raise revenue without the same degree of tax-base erosion associated with international tax competition. The article also considers the potential revenue implications of higher tariffs and reduced tax evasion.

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This paper examines the structural challenges facing Rwanda in taxing business profits arising from digital transactions. It analyzes gaps in the country’s digital tax framework, including limitations in permanent establishment and digital nexus rules, as well as jurisdictional and enforcement challenges. The paper also considers international responses to digitalization, including the OECD/G20 Pillar One and Pillar Two framework, and recommends reforms addressing digital presence, bilateral tax treaties, and regional coordination within the East African Community.

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This OECD Taxation Working Paper provides an early empirical, ex post assessment of how multinational enterprises responded to the introduction of the Global Minimum Tax. Using the EUR 750 million revenue threshold and firm-level data, it examines the reform’s effects on effective tax rates, investment, and employment, as well as whether MNEs adjusted their behavior in anticipation of implementation. The paper also uses its estimated effects on effective tax rates to assess the potential revenue raised by the Global Minimum Tax in its first year.

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This article examines location-specific rents as a basis for allocating taxing rights among sovereign states and addresses the practical challenge of measuring such rents. It argues that tax competition can help quantify the income international firms derive specifically from operating in a particular jurisdiction. The analysis has implications for inter-nation equity and the allocation of source-country taxing rights in international taxation.

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This paper examines tax compliance challenges faced by multinational enterprises operating in emerging markets, focusing on administrative discretion, regulatory ambiguity, and aggressive tax audits. Using a mining project in Sierra Leone as a case study, it analyzes how a multinational enterprise responded to a contested tax assessment and argues for digital compliance systems as a means of institutionalizing tax controls and reducing exposure to discretionary enforcement. The paper highlights the role of internal tax governance and digitalization in managing tax risk in weak institutional environments.

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This report reviews the work of the Tax Inspectors Without Borders initiative, a joint OECD/UNDP program supporting developing jurisdictions in tax audits, enforcement, and international tax administration. It highlights how capacity-building programs are being used to strengthen audit outcomes, address cross-border tax issues, and combat illicit financial flows through practical assistance to tax authorities.

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This paper provides a structured survey of three decades of empirical research on tax-motivated income shifting by multinational corporations. It organizes the literature around the mechanisms, determinants, consequences, and estimated magnitudes of income shifting, and identifies areas where future research could improve measurement methods and expand analysis of multinational tax planning behavior.

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