Research on the Formation Mechanism and Regulatory Strategies of Platform Enterprise Monopoly in the Digital Economy Era

With the booming development of the digital economy, the dominant position of platform enterprises in various industries is gradually emerging. Many platform enterprises have formed market monopolies through mechanisms such as mergers and acquisitions, data control, and network effects. This monopoly phenomenon not only affects market competition and harms consumer interests, but also brings problems such as data privacy breaches. This article explores the mechanism of platform enterprise monopoly formation in the digital economy era, including factors such as increased market concentration, data barriers, and cross-border expansion. At the same time, it analyzes the harm of platform monopoly, such as damaged consumer welfare and limited market innovation. This article proposes effective regulatory strategies to address these issues, including improving anti-monopoly laws, strengthening data supervision, and promoting transparent platform operations. Finally, this article emphasizes the importance of international cooperation in regulating the digital economy and calls for the establishment of a unified regulatory framework worldwide.