Athena Economics

Publications

Articles, public consultation contributions, and books authored or co-authored by Guillaume Madelpuech, listed in reverse chronological order.

Articles

Allocation Keys for Services: What Does the Market Say? A Comprehensive Survey of Allocation Keys for Intercompany Services
Corporate Publication · October 2026
A quantitative survey of the allocation keys cited in the 140 contributions to the OECD consultation on Chapter VII of the Transfer Pricing Guidelines. The note maps the keys most frequently associated with each of 14 business functions, based on 1,219 coded mentions.
The OECD Consultation on Chapter VII — Framing the Debate
Corporate Publication · September 2026
A content analysis of the 140 submissions received by the OECD on the proposed revision of Chapter VII of the Transfer Pricing Guidelines. Using a structured coding of 91 technical positions, the note maps where explicit industry support aligns with — or departs from — expectations.
McKinsey's Transfer Pricing Policies in France: A Criminal Investigation and a EUR 200 Million Transfer Pricing Reassessment?
Corporate Publication · September 2026
An analysis of the French criminal investigation into McKinsey's transfer pricing arrangements and the resulting EUR 200 million tax reassessment.
Revisions to Chapter VII: Initial Observations on Participation in the Public Consultation
Corporate Publication · August 2026
A review of who contributed to the OECD's public consultation on the revision of Chapter VII of the Transfer Pricing Guidelines on intra-group services.
VAT: Transfer Pricing Adjustments
TVA : Les ajustements de prix de transfert
Forvis Mazars — Avis d'experts · May 2025
An analysis of two pending CJEU cases (Högkullen and Arcomet) examining how VAT rules interact with transfer pricing adjustments within the European Union.
Profit Attribution to Permanent Establishments: The End of the French Exception
Attribution du Profit aux Établissements Stables : Retour sur la fin de l'exception française
Forvis Mazars — Avis d'experts · January 2025
A review of the application of the OECD's Authorised OECD Approach for attributing profit to permanent establishments in France, following the Hypo and Conversant case law.
Transfer Pricing: A French/European Perspective on Donald J. Trump's Re-election
Prix de Transfert : Retour sur la réélection de Donald J. Trump, d'un point de vue français / européen
Forvis Mazars — Avis d'experts · December 2024
An assessment of the potential impact of the 2024 U.S. election outcome on transfer pricing and tax policy for French and European multinational groups.
Transfer Pricing: CSR/ESG — Who Will Pay?
Prix de Transfert : RSE / ESG — Qui va payer ?
Forvis Mazars — Avis d'experts · November 2024
A framework for analysing the transfer pricing treatment of corporate CSR/ESG initiatives within multinational groups, based on four distinct cost components.
Intra-Group Financing and Interest Deductibility — A New Development with the Apex Ruling
Financements intragroupes et déductibilité des intérêts — une nouvelle avancée avec l'arrêt Apex
KPMG Avocats · February 2022
A commentary on the Apex ruling and its implications for the deductibility of interest on intra-group financing arrangements in France.
Transfer Pricing Forum – France
Bloomberg Tax Transfer Pricing Forum (France panelist) · July 2018
Comments submitted as the France country panelist to the Bloomberg Tax Transfer Pricing Forum on patent boxes and related R&D tax incentives.
Economic Analysis for Developing Countries—Comments on the IMF, OECD, UN, and World Bank Toolkit
NERA Economic Consulting · March 2017
Comments on the joint IMF-OECD-UN-World Bank toolkit for addressing transfer pricing challenges faced by developing countries.
Apple and the CCCTB: Can the European Commission Have Both?
Tax Notes International (p. 557) / NERA · February 2017
An analysis of the tension between the European Commission's state aid case against Apple and its proposal for a Common Consolidated Corporate Tax Base.

Contributions to OECD Public Consultations

Revisions to Chapter VII of the OECD Transfer Pricing Guidelines
Athena Economics · July 2026
Comments submitted to the OECD's public consultation on proposed revisions to Chapter VII of the Transfer Pricing Guidelines on intra-group services.
Public Consultation on the Transfer Pricing Aspects of Critical Minerals — Copper
Forvis Mazars · September 2025
Comments submitted to the OECD/IGF public consultation on the transfer pricing aspects of critical minerals, focusing on copper.
Comments on the Public Consultation Document on Addressing the Tax Challenges of the Digitalisation of the Economy
NERA Economic Consulting · March 2019
Comments submitted to the OECD's 2019 public consultation on addressing the tax challenges raised by the digitalisation of the economy.
Comments on the BEPS Action 8 Hard-to-Value Intangibles Implementation Guidance
NERA Economic Consulting · October 2017
Comments submitted to the OECD on the implementation guidance for hard-to-value intangibles under BEPS Action 8.
Comments on the OECD Discussion Draft of the BEPS Action 8 Hard-to-Value Intangibles Guidance
NERA Economic Consulting · July 2017
Comments on the OECD's discussion draft guidance on hard-to-value intangibles under BEPS Action 8, part of the broader transfer pricing framework for intangibles.
Comments on the Attribution of Profits to Permanent Establishments Discussion Draft
NERA Economic Consulting · June 2017
Comments submitted to the OECD's 2017 discussion draft on the attribution of profits to permanent establishments.
Comments on the Attribution of Profits to Permanent Establishments — Additional Guidance (Part II)
NERA Economic Consulting · September 2016
Comments submitted to the OECD on additional guidance for the attribution of profits to permanent establishments under BEPS Action 7.
Comments on the Revised Guidance on Profit Splits — Chapter IX of the OECD Transfer Pricing Guidelines
NERA Economic Consulting · August 2016
Comments submitted to the OECD on the revised guidance on the transactional profit split method under Chapter IX of the Transfer Pricing Guidelines.
Comments on BEPS Action 10: Proposed Modifications to Chapter VII (Low Value-Adding Intra-Group Services)
NERA Economic Consulting · January 2015
Comments submitted to the OECD on the discussion draft proposing modifications to Chapter VII of the Transfer Pricing Guidelines relating to low value-adding intra-group services.

Books

Fundamentals of Transfer Pricing — Volume I (Chapter 4)
WU Vienna / Linde & Wolters Kluwer · 2025 · with Gabriela Capristano Cardoso
A chapter covering transactional profit methods and other transfer pricing methods, part of the leading academic reference textbook on transfer pricing.
Fundamentals of Transfer Pricing: General Topics and Specific Transactions (Chapter, pp. 107–140)
Wolters Kluwer · 2021 · with Gabriela Capristano Cardoso
A chapter covering transactional profit methods and other transfer pricing methods, part of the leading academic reference textbook on transfer pricing.
Fundamentals of Transfer Pricing: Principles and Practice (1st edition, Chapter)
Wolters Kluwer · 2019 · with Gabriela Capristano Cardoso
A chapter covering transactional profit methods and other transfer pricing methods, part of the leading academic reference textbook on transfer pricing.
SAIA: Techno-Thriller
Self-published, Amazon KDP · 2019 · fiction — unrelated to transfer pricing
A self-published techno-thriller novel about artificial intelligence and cyberwarfare, unrelated to transfer pricing.