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Fresh Ideas Emerge for New EU Budget Levies

The European Parliament is considering new EU own resources that would tax online gambling, speculative real estate investment, and large companies through a turnover-based CORE contribution. The proposals expose significant legal and institutional constraints, including unanimity requirements, subsidiarity limits, especially for gambling, and unresolved questions about where digitally delivered activity should be taxed. Academic analysis warned that CORE could lead to multiple counting within corporate groups and impose tax liabilities that are disconnected from profitability, raising concerns about neutrality, legal characterization, and enforceability.  

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Trade Agreements and Domestic Policy under Variable Markups

  • By Rui Pan
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This article looks at how trade agreements affect domestic policy when firms set prices with variable markups. It walks through how those international rules can end up shaping tax and regulatory decisions at the national level, especially when governments are trying to balance trade commitments with their own fiscal priorities. It also touches on what that means for competitiveness across borders and the practical difficulty of lining up international obligations with domestic policy goals.

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References to Dynamic International Standards and the Tax Legality Principle

  • By Sigrid Hemels
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This article looks at the gap between evolving international tax standards, like OECD guidance, and the legality principle in domestic tax law. It raises concerns about whether relying on constantly changing international rules actually meets requirements of legal certainty and democratic accountability. The discussion ties this tension to BEPS-related reforms and the growing use of administrative guidance.

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MNE Roadkill? Why Pillar 2 Survives With or Without the U.S.

  • By Poonam Khaira Sidhu
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This paper evaluates the durability of the OECD’s Pillar Two global minimum tax regime in the absence of U.S. participation. It argues that structural incentives and coordinated implementation by other jurisdictions may sustain the regime regardless of U.S. policy choices.

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The Role of Residence-Based Taxation in Business Income Taxation

  • By Yoshihiro Masui
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This paper revisits the role of residence-based taxation in allocating taxing rights over business income in a globalized economy. It evaluates how residence principles interact with source-based rules and modern challenges such as digitalization.

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Citation: Bulletin for International Taxation 2026 (Volume 80), No. 4/5.

US-China Cooperative Interdependence: Opportunities and Obstacles

  • By Marcus Noland, Chad P. Bown, Mary E. Lovely, and Warwick J. McKibbin
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This paper looks at the economic relationship between the United States and China, focusing on how closely the two systems are tied together and how that shapes trade and tax decisions. It considers both the potential for cooperation and the growing risk of economic fragmentation, along with the effects on global tax coordination and multinational investment. It also discusses how rising geopolitical tensions are influencing international tax policy and cross-border economic strategy.

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Citation: Peterson Institute for International Economics Briefing 26-2

Arthur Cockfield's Digital Economy: A Retrospective Analysis

  • By Shu-Yi Oei
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This paper evaluates the evolution of digital economy taxation through the lens of Arthur Cockfield’s scholarship. It examines how early conceptual frameworks anticipated current challenges in taxing digital business models. The analysis is particularly relevant to ongoing OECD reforms and debates over digital services taxation.

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Citation: Forthcoming, Canadian Tax Journal (Special Issue: Tax Sovereignty in a Digital and Divided World: A Tribute to Arthur Cockfield)

Taxing Data as the New Oil

  • By Ana Paula Dourado
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This article explores the conceptual and practical challenges of taxing data as an economic asset within the international tax framework. It considers whether existing rules can capture value generated through data-driven business models and proposes potential reforms.

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Can Sales Destinations Reclaim Taxing Rights on Profits from Cross-Border Sales of Goods on Digital Platforms?

  • By Fei Gao
  • By Richard Krever
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This article examines whether destination countries can assert taxing rights over profits generated through digital platform-based cross-border sales. It analyzes evolving international tax principles, including destination-based taxation and the shift away from traditional source rules. The paper is particularly relevant to ongoing reforms addressing digital economy taxation and allocation of taxing rights.

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Citation: Fei Gao and Richard Krever, ‘Can sales destinations reclaim taxing rights on profits from cross-border sales of goods on digital platforms?’ [2025](3) British Tax Review 363-385.

The Largest Tax Fraud?

  • By Reuven S. Avi-Yonah
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This paper evaluates large-scale international tax avoidance structures and questions whether certain widely used arrangements effectively amount to systemic tax fraud. It focuses on enforcement gaps in cross-border taxation and the role of governments in enabling or constraining aggressive tax planning. The analysis contributes to ongoing debates over transparency, compliance, and the limits of current international tax enforcement frameworks.

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International Taxation and the Frustrations of Formulary Apportionment Estimation

  • By Richard Krever
  • By Kerrie Sadiq
  • By Devika Bhatia
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This article evaluates the practical and theoretical difficulties of implementing formulary apportionment in international taxation, particularly the challenges of estimating appropriate allocation factors across jurisdictions. It contributes to ongoing debates about alternatives to arm’s length pricing in a BEPS-influenced environment.

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