Macarena Viertel Iñíguez

Research project:
Market Definition in the Digital Economy
Vita
Chilean-qualified lawyer with an LL.M. in Business, Competition and Regulatory Law at Freie Universität Berlin. LL.B. and Diploma in Competition and Regulation from the University of Chile. Research Fellow and Doctoral Candidate at the DFG-Graduate Programme ‘Dynamic Integration’ at Humboldt-University of Berlin since October 2025.
2022-2025 Research Fellow at Freie Universität Berlin. 2017-2021 Associate lawyer in Competition Law at Barros & Errázuriz law firm (Chile). 2014-2015 Paralegal at the National Economic Prosecutor’s Office (Chile).
Co-director of the Latin American Chapter and member of the Academic Society for Competition Law (ASCOLA). Member of Red ProCompetencia, a Chilean network for professional women in competition and economic matters.
Research Interests
- International and European Competition Law
- Law of the Digital Economy
- Gender and Competition Law
- Law and Economics
- Regulatory Law
Publications
- Financial Power in Competition Policy as a Key Component of Modern Bigness (co-authored). Utrecht Law Review, 21(2), p. 5–21. Available at: https://doi.org/10.36633/ulr.1119.
- Sustainability in the Market Economy: A Task for Chilean Competition Law? (co-authored, Spanish language) – in Gallegos, Anríquez, Nehme (eds.), Jorge Streeter 'El arte del derecho'. Un homenaje (Tomo 2), 473-496, 2025.
- Defining relevant markets in digital ecosystems – challenges under the current framework and a path forward. Competition Law Journal, 22(4), 166-188, 2023.
- The capture of user attention in digital ecosystems: a competition policy perspective, in Buchheim, Kraetzig, Mendelsohn, Steinrötter (eds.), Plattformen – Grundlagen und Neuordnung des Rechts digitaler Plattformen, Nomos, 2024.
- Nudging Competition authorities to work behind the gender lens, Kluwer Competition Law Blog, 2023.
- Some Thoughts on the Relevance of Including a Gender Perspective in Competition Law, CeCo, 2022.
- Preventive merger control and investment funds: comments on the definition of decisive influence, the delimitation of the parties to the filing and the competitive analysis, Revista de Derecho Económico Universidad de Chile, 2021.
- Corporate Acquisitions and Mergers: Chile (co-authored), Kluwer Law International, 2021.
- Legal agreements between competitors and their (lack of) regulation under Chilean law (co-authored, Spanish language), CeCo, 2020.
- Competition Litigation: Chile Chapter (co-authored), Global Legal Insights, 2020.
- Cartels, Enforcement, Appeals and Damages Actions: Chile Chapter (co-authored), 2019.
Presentations
- Minority shareholdings in competitors: lessons from the Chilean experience with ex-post reporting obligation (co-authorship), 20th ASCOLA Conference (Chicago), 26-28.06.2025; and 19th CRESSE Conference (Crete), 04-06.07.2025
- Guardianes de acceso y empresas estratégicas: nuevas figuras regulatorias para combatir conductas unilaterales de los gigantes digitales, Seminario Internacional de Libre Competencia Universidad de Chile (Santiago, online), 14.08.2024
- Opportunities and Challenges of Using After Markets and Bundling as Benchmarks for Market Definition in Digital Ecosystems, Digital Platform Ecosystems Forum Universität Passau (Passau), 04-05.06.2024
- Financial Power in Competition Policy and as a Key Component of Modern Bigness, with Jun. Prof. Dr. Juliane Mendelsohn (TU Ilmenau), Modern Bigness Conference (Utrecht), 04-05.04.2024
- Defining Relevant Markets in Digital Ecosystems-Challenges under the Current Framework and a Path Forward, 18th ASCOLA Conference (Athens), 29.06 - 02.07.2023.
- The Influence of Choice Architecture in Digital Ecosystems on User Behaviour and Market Efficiency, 8th Annual Conference GRUR Junge Wissenschaft (Potsdam), 23-24.06.2023
Teaching
- Modern Goals of Competition Law (Tutorial at Master of Business, Competition and Regulatory Law, Freie Universität Berlin) – Winter Semester 2023/24, 2024/25