• ISSN: 2010-023X
    • Frequency: Bimonthly
    • DOI: 10.18178/IJTEF
    • Editor-in-Chief: Prof.Tung-Zong (Donald) Chang
    • Executive Editor: Ms. Cherry L. Chen
    • Abstracting/ Indexing:  ProQuest, Crossref, Electronic Journals Library , EBSCO, and Ulrich's Periodicals Directory
    • E-mail: ijtef@ejournal.net
IJTEF 2018 Vol.9(4): 164-169 ISSN: 2010-023X
DOI: 10.18178/ijtef.2018.9.4.608

Rethinking Modes of Market Definition for multi-Sided Platforms

Sung Yoon Yang
Abstract—The relevant market definition based on SSNIP test is a starting point for the analysis concerning abuse of market dominant position. In other words, abuse of market dominant position presupposes that there is market dominant power in the market and market dominant power should be inferred from high market share, and in order to calculate market share, relevant market should be defined, and the relevant market should be defined by means of the SSNIP test reflecting the substitutability of demand or supply. Meanwhile, a market definition for multi-sided platforms is complex and incoherent due to particular features of multi-sided platforms. In this regard, some modified tools of market definition for multi-sided platforms are suggested with related Korean cases.

Index Terms—Abuse of market dominant position, market definition, multi-sided platform, multi-sided market.

Sung Yoon Yang is with University of Vrije Universiteit Brussel, Belgium (e-mail: bigtree0718@gmail.com).

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Cite: Sung Yoon Yang, "Rethinking Modes of Market Definition for multi-Sided Platforms," International Journal of Trade, Economics and Finance vol.9, no.4, pp. 164-169, 2018.

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