| Summary: | 碩士 === 國立中山大學 === 經濟學研究所 === 99 === Under digital convergence, the market structure has changed which cause the
traditional market definition is no longer applicable. Many industries and firms have
take action of cross-industry M&A and integration. In contrast, regulations and “new”
market definition has not appeared which cause antitrust authorities deal with the case
of the M&A under digital convergence has no quantitative tools. Our study has found
that the market structure under digital convergence almost is two-sided market and
multi-sided market, so we use the modified Critical Loss Analysis which Evans and
Noel (2008) proposed to be the market definition tool under digital convergence.
Subsequently, we use the merger case of TFN media and Kbro to do empirical analysis.
By the empirical results, we find out that the relevant market of cable TV has to
expand. The IPTV and online play will be the competitive product that the market
structure of cable TV will be changed radically. Under digital convergence, market
definition may not precisely than traditional, but it still could provide antitrust
authorities an effective quantitative evidence, and with the economic theory of
qualitative analysis which could make policy analysis more integrity.
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