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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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The Controlled U.S. Corporate Footprint by Owner Jurisdiction: Evidence from IRS SOI Data (2002–2022)

  • By Jorge A. Arroyo
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Drawing on two decades of IRS SOI data, this paper examines how foreign ownership shapes the geographic and economic footprint of U.S. corporations, with implications for international tax policy and investment regulation.

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Uneven State-Level Exposure to Potential U.S. Tariff Disputes with Canada and Mexico

  • By Wendong Zhang
  • By Ian Sheldon
  • By Seungki Lee
  • By Minseong Kang
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This paper analyzes how potential tariff disputes with Canada and Mexico would affect U.S. states unevenly, highlighting regional exposure to international trade policy shocks.

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A Leak in Paradise: Reputation Repair Policies After Offshore Data Leaks

  • By Simone Traini
  • By Katarzyna Anna Bilicka
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This paper examines how governments respond to offshore data leaks by adopting reputation repair policies, shedding light on the interaction between tax enforcement, offshore secrecy, and international compliance incentives. We examine whether the public revelation of sensitive tax information prompts firms to adopt reputation repair policies targeting shareholders. The authors investigate whether firms implicated in the leaks improve their governance, increase investor remuneration, and reorganize their activities to restore shareholder trust relative to unaffected firms. They find that, after the leaks, firms appoint more directors, especially in operations, audit, and finance and accounting, pay higher dividends, and reduce their presence in tax havens, without increasing effective tax rates. They conclude that overall, data leaks appear to change the cost-benefit trade-off of tax strategies in ways that are, on net, favorable to shareholders.

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The Definition and Application of the Separate-Entity Approach in the OECD Transfer-Pricing Guidelines

  • By Jérôme Monsenego
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This article analyzes the separate-entity principle as applied in the OECD Transfer Pricing Guidelines, exploring its theoretical foundations and practical consequences. It evaluates tensions between formal legal separateness and economic integration within multinational enterprises.

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Citation: Monsenego, Jérôme, The Definition and Application of the Separate-Entity Approach in the OECD Transfer-Pricing Guidelines, 73 Canadian Tax Journal / Revue fiscale canadienne 641 (2025).

Australian Tax Treaty Policy: The Dilemma of a Wealthy Capital-Importing Nation

  • By Richard Krever
  • By Kerrie Sadiq
  • By Na Li
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This article examines Australia’s tax treaty policy from the perspective of a capital-importing but high-income jurisdiction. It explores the tension between Australia’s interest in protecting its source-country tax base and the constraints imposed by prevailing OECD treaty norms. Through analysis of treaty practice and policy choices, the article highlights structural trade-offs faced by capital-importing countries in negotiating withholding taxes, permanent establishment thresholds, and allocation rules within the existing international tax framework.

 

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Income Shifting from Transfer Pricing: Further Evidence from Tax Return Data by

  • By Michael McDonald
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This article presents new empirical evidence on income shifting through transfer pricing using tax return data. The analysis evaluates the extent to which multinational enterprises continue to reallocate income across jurisdictions despite existing transfer pricing rules and enforcement mechanisms. The findings contribute to ongoing debates about the effectiveness of arm’s-length standards, enforcement capacity, and the empirical foundations underlying international tax reform efforts.

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Citation: McDonald, Michael, Income Shifting from Transfer Pricing: Further Evidence from Tax Return Data, 94 Journal of Public Economics 555 (2010).
Earlier version available at SSRN: https://ssrn.com/abstract=6022454.

The Pillar Two Regime in the Post-Implementation Era: Structural Mechanics and Geopolitical Fragmentation (2026)

  • By Pramod Kumar Siva
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This article analyzes the OECD Pillar Two global minimum tax following its initial implementation phase, focusing on the structural mechanics of the regime and emerging signs of geopolitical fragmentation. The author examines how divergent domestic implementation choices, enforcement asymmetries, and coordination challenges affect the operation of the income inclusion rule and undertaxed profits rule. The article highlights risks to coherence and convergence as jurisdictions adapt Pillar Two to local political and fiscal priorities.

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Withholding Taxes in Developing Countries: Relief Method and Tax Sparing in Tax Treaties with OECD Members

  • By Pranvera Shehaj
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This article examines how residence-country double tax relief methods and tax sparing provisions shape negotiated withholding tax outcomes in tax treaties between developing countries and OECD member states. Focusing on portfolio dividend withholding taxes, the analysis shows that treaties with credit-method residence countries tend to produce larger gaps between domestic withholding rates and treaty ceilings than treaties with exemption-method partners. The study further demonstrates that tax sparing provisions neutralize this effect, enabling developing countries to sustain higher negotiated withholding taxes. The findings contribute to debates on treaty design, distributive consequences of relief methods, and the role of tax sparing in preserving source-country taxing rights.

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Taxing Mobile Money: Theory and Evidence

  • By Michael Barczay, Shafik Hebous, Faycal Sawadogo, and Jean-François Wen

Mobile money has become a central digital alternative to traditional banking in developing countries, yet several African governments have introduced taxes on mobile money transactions. This paper develops a model to analyze how such taxes affect payment choices and generate excess burden. The model predicts that taxation reduces mobile money use, with elasticities shaped by access to substitutes and transaction costs. Using the empirical estimates, the excess burden of the tax is quantified at approximately 35 percent of revenue, highlighting both its substantial efficiency costs and its regressive distributional effects.

 

 

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Pillar Two Side-by-Side Challenges of EU Law, Global Tax Governance, Sovereignty. Comments for a Rational Win-Win Path Forward

  • By Pramod Kumar Siva and William H Byrnes

The authors argue that the components of the U.S. minimum tax regime in the form of a tax on net CFC tested income, the CAMT and the BEAT, form a dense and overlapping tax structure that imposes significantly higher compliance burdens than EU Pillar Two regimes, undermining any characterization of the U.S. system as a permissive or lightly enforced alternative.

 

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