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Market Definition of Online Platforms in the New Economy: Another Foggy Day

최요섭
법학연구원 (Legal Research Institute of Korea University)|2019.03|법학논총 (The Legal Studies Institute of Chosun University)|제43권 제1호|pp. 285-312|DOI 10.17252/dlr.2019.43.1.010

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온라인 플랫폼경쟁법competition lawonline platform시장획정양면시장market definition신경제new economytwo-sided market디지털 단일시장the AMEX caseAMEX 판결
주제분류법학

초록

Platforms, or online platforms in the new economy, have become one of the difficult topics in competition law and policy around the world. Online platforms have a number of distinctive features that make competitive assessments difficult, such as the two (or multi-)sided market. The traditional method of defining the relevant market is the appraisal of substitutability on the demand side, while considering other factors like switching costs, etc. However, this legal and economic tool may not work for the market definition of an online platform. Despite the existing difficulties, the EU and the US have provided some guidance for the market definition in the area of online platforms by developing case law and policy on the digital economy. This article aims to discuss the recent developments involving the market definition of online platforms, thereby suggesting a future policy for the Korean competition regime.

Abstract

Platforms, or online platforms in the new economy, have become one of the difficult topics in competition law and policy around the world. Online platforms have a number of distinctive features that make competitive assessments difficult, such as the two (or multi-)sided market. The traditional method of defining the relevant market is the appraisal of substitutability on the demand side, while considering other factors like switching costs, etc. However, this legal and economic tool may not work for the market definition of an online platform. Despite the existing difficulties, the EU and the US have provided some guidance for the market definition in the area of online platforms by developing case law and policy on the digital economy. This article aims to discuss the recent developments involving the market definition of online platforms, thereby suggesting a future policy for the Korean competition regime.

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