온라인 플랫폼 시장과 경쟁법적 쟁점

The industrial change that is closely linked with the fact that the online platform markets rises to the center of the industrial world is an advent of the web-based economy. The web-based economy came to the fore replacing the PC-based economy. To understand competition law issues in the online platform markets central to the industries in the web-based economy, it is helpful to review Microsoft competition law infringement cases which was a dominant player in the PC-based economy. Microsoft's conducts questionable from the competition law perspective can be summarized as attempts to deter or delay the emergence of the web-based economy replacing PC-based economy. With the advent of the web-based economy, the target of competition law concerns moves from PC-based economy to web-based economy, particularly the online platform markets central to the web-based markets. Competition law concerns in the online platform markets can be collected to the some focal points such as whether there exists any enterprise in the online platform markets corresponding to Microsoft and such player in the online platform markets is threatened by the emergence of any new economy market entry potentials, whether leading companies in the online platform markets have incentives and capacities to exclude competitors like what Microsoft had in the PC-based economy. Against this background, this article first provides implications for competition law approach to the environment changes in the online platform markets from the emergence of web-based economy to the settlement of smartphone mobile-based economy by explaining what happened on each phase of change and how enterprises responded in each phase(II). Then this article takes a look at competition law issues raised so far by reviewing major domestic competition law infringement cases in the online platform markets(III). Lastly, I suggest some research subjects for the way to go for competition law in response to the environment change in the online platform markets by which I would like to take a for continued study as for closing(IV).