Preliminary Report of the Online Advertising Sector Inquiry

Summary:

The Turkish Competition Authority initiated an inquiry into the online advertising sector in March 2021 to identify competition problems and develop solutions. The Preliminary Report has been completed, and its findings have been made public. The Report analyzed the substitution relationships between various online advertising types, concluding that META dominates the display advertising market, while GOOGLE dominates the search-based advertising market. The Report also examined the operations of GOOGLE and META as an ecosystem, offering multiple products and services. Additionally, it analyzed the role of online advertising technology services in the buying and selling of display advertisements. The Report discussed competition issues arising from the practices of dominant undertakings in the sector and proposed solutions to address these problems.