The Definition Criteria for “Relevant Markets” in the Digital Economy Domain regarding Anti-Monopoly Measures

本文旨在探讨数字经济领域反垄断中“相关市场”的认定标准，随着数字经济的迅猛发展，数字平台及其相关市场的界定成为反垄断执法中的重要问题。文章首先回顾了传统反垄断理论中的“相关市场”概念，进而分析了数字经济领域“相关市场”界定的特殊性和复杂性，并探讨了基于这些因素的认定标准。文章还分析了现有反垄断法框架下相关市场界定的方法，如SSNIP测试法、SSNDQ测试法等，并结合数字经济的特点，提出了适用于数字经济领域的改进建议。最后，进一步说明了数字经济领域相关市场认定的实践应用，为反垄断执法机构在数字经济领域的执法工作提供参考。This article aims to explore the criteria for determining “relevant markets” in anti-monopoly cases within the digital economy domain. With the rapid development of the digital economy, the definition of digital platforms and their related markets has become an important issue in anti-monopoly enforcement. The article first reviews the concept of “relevant markets” in traditional anti-monopoly theory, then analyzes the particularity and complexity of the determination of “relevant markets” in the digital economy domain, and discusses the determination criteria based on these factors. The article also analyzes the methods for determining relevant markets under the current anti-monopoly legal framework, such as the SSNIP test method and the SSNDQ test method, and, in combination with the characteristics of the digital economy, proposes suggestions for improvement applicable to the digital economy domain. Finally, it further explains the practical application of determining relevant markets in the digital economy domain, providing a reference for anti-monopoly enforcement agencies in their enforcement work in the digital economy sector.