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Vertical Integration and Antitrust in Search Markets
2015
Social Science Research Network
Antitrust regulators are concerned that vertical integration may allow a dominant firm in one market to lever market power into another market, and a broad theoretical literature has developed to show that in fact, the effects of vertical integration on other firms in the market are ambiguous. This paper studies how a dominant search engine Google in the upstream market of Internet search enters into different downstream markets. I find that Google's vertical integration either decreases or
doi:10.2139/ssrn.2663557
fatcat:cjcnf7mcd5eftiqhvevooui2oa