相关市场的界定是反垄断实施的前提。基于反垄断的唯一目标是市场效率这一理念,本文对“有效市场假说”和奥地利学派的市场过程理论进行评析,指出市场过程应成为反垄断的核心视角,并由此揭示市场界定的困境和反垄断实施的难点,指出从理论到执法实践都必须关注的几个要点。 The definition of the relevant market is the prerequisite for the implementation of antitrust. Based on the idea that market antitrust is the sole objective of antitrust, the paper reviews the theory of “effective market hypothesis” and the Austrian school’s market process theory, pointing out that the market process should become the core antitrust perspective and thus reveal the market-defined Difficulties and antitrust enforcement difficulties, pointed out that from theory to law enforcement practice must pay attention to several points.