Vertically Integrated Platforms

Virtual workshop hosted by The Mannheim Centre for Competition and Innovation (MaCCI) and Compass Lexecon
14 September 2021, 15:00 until 18.30 (CEST)


15:00 – 16:30
Recent research related to vertically integrated platforms from leading economists (non-technical presentations)

Moderator: Martin Peitz, University of Mannheim


  • ‘Should platforms be allowed to sell on their own marketplaces?’ By Andrei Hagiu,Boston University, Questrom School of Business
  • ‘Friends or foes? Examining platform owners’ entry into complementors’ spaces’ by Feng Zhu, Harvard Business School
  • ‘On the private and social value of consumer data in vertically integrated platform markets’ by Salvatore Piccolo, University of Bergamo & Compass Lexecon
  • ‘Policy issues in modern marketplaces’ by Sandro Shelegia, Universitat Pompeu Fabra

16:30 – 16:45 Break

16:45 – 18:30
Roundtable discussion: Economics and policy considerations for vertically integrated platforms

Moderator: Valérie Meunier, Compass Lexecon


  • Silke Hossenfelder, Bundeskartellamt
  • Damien Geradin, Geradin Partners
  • Alexandre de Streel, University of Namur and CERRE