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| Antitrust Law Regulatory of Vertical Integration of Network Platforms——Also on the Rebirth of Leverage Theory in the Platform Economy |
| LI Shijia |
| Civil, Commercial and Economic Law School, China University of Political Science and Law |
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Abstract The vertical integration of network platforms is extremely risky of monopoly, and its essence is the cross-border transmission of market forces, that is, the behavioral manifestation of leverage theory. Compared with the efficiency benefits brought about by vertical integration, its monopoly risk needs more attention and requires the regulation by the anti-monopoly law. At present, there are two attitudes in the countries in the world: control and no control. The no-control model mainly follows the theory of the Chicago school, but the single monopoly profit theorem relatively ignores the long-term monopoly risk, and it is difficult to explain the zero-price market structure in the platform economy. This model takes “low price and high quality” as the basic standard to judge consumer welfare, and it relatively ignores the quantity of competitive products and consumers’ right of self selection; and the difficulty of predicting consumers‘ preferences is particularly obvious under the platform economy. In the era of platform economy, the monopoly power transmission effect embodied by the leverage theory must be paid attention to, and the vertical integration of network platforms must be regulated.
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Received: 18 June 2021
Published: 15 February 2022
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2022, Vol. 42 
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