The model of perfect competition is one of the most famous, most important, and most misunderstood concepts in … economics. Rather than aiming to be a full-blown model of real-world competitive markets, the perfect competition model isolates … only feature of market competition, but it plays a central role regarding to its virtues, and understanding the working …

anticompetitive effects. Most importantly, antitrust analysis should focus on competition for seeking and providing attention rather … than the particular products and services used for securing and delivering this attention. The existence of competition …

the economics, technology, and history of online competition. Online platforms face dynamic competition as a result of …: disruptive innovation that provides opportunities for entry; competition from online platforms that have secured a toehold in one … firms competing for consumer attention and advertiser dollars. The last two decades of online platform competition …

majority share of the markets for general-search results and advertising, prompting antitrust and competition-law scrutiny of …. This type of steering forecloses competition in markets not immediately adjacent to the platform itself. Current antitrust …

-sharing effect that may relax competition for users, resulting in lower quality of content. More surprisingly, user surplus may also … anti-competitive effect while preserving the diversity effect. When there is competition among third parties, interplatform …

puts the EC at the hearth of competition law enforcement vis á vis national regulators and domestic legislation (provided … precedent of Consorzio Industrie Fiammiferi. The latter affirms that competition authorities can automatically put aside …