Market concentration measures the extent to which market shares are concentrated between a small number of firms and it is usually taken as a proxy for the intensity of competition. In June 2018, the OECD held a discussion to explore whether fewer competitors necessarily means less competition.
Mergers can have effects on numerous dimensions of competition other than price, including quality, variety, and innovation. However, the analysis of these effects can pose several practical challenges for competition authorities. These challenges were discussed at the OECD during a roundtable on non-price effects of mergers in June 2018.
The growth of e-commerce has the potential to increase competition within retail markets, to greatly enhance consumer choice, and to prompt and facilitate innovation in product distribution. The OECD held a roundtable in June 2018 to explore the growing phenomenon of e-commerce in terms of its implications for competition law and policy.
Disruptive innovations in taxi, ride-sourcing and ride-sharing services radically changed the regulatory and competitive landscape, raising new questions for regulators and competition law enforcers. To discuss these challenges, the OECD held a roundtable on taxis and ride-sharing services in June 2018.