Merger control plays a central role in competition policy. When assessing proposed mergers, Competition Authorities should consider its impact on all relevant markets. Large mergers between manufacturers typically impact competition, thus requiring the approval of Competition Authorities....

The traditional institutional model of a competition agency has assumed entrusting competition protection to a single authority. Over time, more and more often national competition authorities are being entrusted not only with competition enforcement but also with other functions (tasks). And...

Antitrust authorities search public documents to discover anticompetitive mergers. Thus, investor disclosures may alert them to deals that would otherwise escape scrutiny, creating disincentives for managers to divulge transactions. We study this behavior in publicly traded US companies. First,...

Both Google Android and Google Search (Shopping), along with other ongoing digital market antitrust enforcement actions, are based on foreclosure conduct that has raised difficult doctrinal questions for courts, regulators, and scholars. This emerging form of foreclosure, which some have termed...