Tying has become a common practice in digital platforms. It may generate both pro-competitive effects and anti-competitive effects, which makes it difficult to distinguish between lawful and unlawful tying practices. The cases of Tencent and Android both involve tying conducts, but interestingly, the cases have different outcomes. This article explores reasons for these different case outcomes from a comparative law and economics perspective. By assessing the facts and legal rulings in Tencent and Android, we find that the different case outcomes result, on the one hand, from the different case facts, and on the other hand, from the different approaches used by the EU Commission and the Chinese Supreme People’s Court. The Court scores better in terms of ensuring legal certainty; nevertheless, it may face difficulties when it has to apply economic analysis. The Commission seemingly uses more economics, but the application is not full-fledged, as it disregards important case facts when assessing competition foreclosure, and employs asymmetric legal tests and evidence standards for anti/pro-competitive effects of tying. From a law and economics perspective, we provide suggestions for China and the EU, taking the recent Anti-Monopoly Guidelines on Platforms in China and the forthcoming Digital Markets Act in the EU into account.
Statutory dominant firms, different from dominant firms that have gained their market power through competition on the merits, have derived their market position from choices made by the state. From an economic perspective, tying by this kind of firm typically generates significant anti-competitive effects that are likely to outweigh the possible pro-competitive effects. Both in China and the EU, such tying practices have frequently taken place. Nevertheless, the economic findings have not been fully reflected in competition provisions and competition practice in these two jurisdictions. This may lead to error costs and enforcement costs, which is detrimental to consumer welfare. It is thus important for competition authorities and courts to carefully consider the economic findings, while taking into account also the principles of proportionality and legal certainty. To enhance the effectiveness of competition law, this study proposes potential ways of applying a differentiated (stricter) scrutiny of tying by statutory dominant firms to reduce error costs and enforcement costs.
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