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Evaluating structural and behavioral remedies for anticompetitive conducts in the ad tech ecosystem

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  • Witte, Alexander
  • Krämer, Jan

Abstract

Alphabet’s extensive vertical integration across the ad tech stack has come under increased scrutiny from competition authorities. This paper examines how Alphabet’s alleged leveraging practices, including tying of first-party inventory and data, restrictive interoperability, and discriminatory auction rules, undermine multihoming and foreclose rival intermediaries. Drawing on a structured analysis of anticompetitive effects and claimed efficiencies, we show that purely behavioral remedies would require constant, resource-intensive oversight in an opaque, rapidly evolving ecosystem. By contrast, a more focused structural realignment, specifically divesting Alphabet’s buy-side services from its publisher-facing operations, directly removes conflicts of interest while refraining from intrusive divestiture of consumer-facing platforms. This targeted breakup has the potential to foster genuine competition across the ad tech value chain, mitigates the need for perpetual monitoring, and if complemented by behavioral remedies, preserves important efficiencies that benefit advertisers, publishers, and users.

Suggested Citation

  • Witte, Alexander & Krämer, Jan, 2025. "Evaluating structural and behavioral remedies for anticompetitive conducts in the ad tech ecosystem," Telecommunications Policy, Elsevier, vol. 49(5).
    • Handle: RePEc:eee:telpol:v:49:y:2025:i:5:s0308596125000527
    DOI: 10.1016/j.telpol.2025.102955
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    1. Mehran, Hamid & Stulz, Rene M., 2007. "The economics of conflicts of interest in financial institutions," Journal of Financial Economics, Elsevier, vol. 85(2), pages 267-296, August.
    2. Jullien, Bruno & Sand-Zantman, Wilfried, 2021. "The Economics of Platforms: A Theory Guide for Competition Policy," Information Economics and Policy, Elsevier, vol. 54(C).
    3. Peitz, Martin & Valletti, Tommaso, 2015. "Reassessing competition concerns in electronic communications markets," Telecommunications Policy, Elsevier, vol. 39(10), pages 896-912.
    4. Jan Krämer & Daniel Schnurr, 2022. "Big Data And Digital Markets Contestability: Theory Of Harm And Data Access Remedies§," Journal of Competition Law and Economics, Oxford University Press, vol. 18(2), pages 255-322.
    5. Jean-Charles Rochet & Jean Tirole, 2003. "Platform Competition in Two-Sided Markets," Journal of the European Economic Association, MIT Press, vol. 1(4), pages 990-1029, June.
    6. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, December.
    7. Jean Tirole, 2005. "The Analysis of Tying Cases: A Primer," CPI Journal, Competition Policy International, vol. 1.
    8. Thomas W. Frick & Rodrigo Belo & Rahul Telang, 2023. "Incentive Misalignments in Programmatic Advertising: Evidence from a Randomized Field Experiment," Management Science, INFORMS, vol. 69(3), pages 1665-1686, March.
    9. John Kwoka & Tommaso Valletti, 2021. "Unscrambling the eggs: breaking up consummated mergers and dominant firms [Too much data: prices and inefficiencies in data markets]," Industrial and Corporate Change, Oxford University Press and the Associazione ICC, vol. 30(5), pages 1286-1306.
    10. Jens Prüfer & Christoph Schottmüller, 2021. "Competing with Big Data," Journal of Industrial Economics, Wiley Blackwell, vol. 69(4), pages 967-1008, December.
    11. Mark Armstrong, 2006. "Competition in two‐sided markets," RAND Journal of Economics, RAND Corporation, vol. 37(3), pages 668-691, September.
    12. Gilbert, Richard J., 2021. "Separation: A Cure for Abuse of Platform Dominance?," Information Economics and Policy, Elsevier, vol. 54(C).
    13. Walter, Ingo, 2004. "Conflicts of Interest and Market Discipline Among Financial Service Firms," European Management Journal, Elsevier, vol. 22(4), pages 361-376, August.
    14. Hana Choi & Carl F. Mela & Santiago R. Balseiro & Adam Leary, 2020. "Online Display Advertising Markets: A Literature Review and Future Directions," Information Systems Research, INFORMS, vol. 31(2), pages 556-575, June.
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