Big tech mergers are frequently occurring events. What are the competitive effects of these mergers? With the help of a simple model we identify the acquisition of potential competitors as a pressing issue for merger control in digital industries. We also sketch a few recent theories of harm of horizontal and conglomerate mergers that are potentially relevant in digital industries. Finally, we draw some policy recommendations on how to deal with mergers in such industries.

中文翻译：

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大型科技合并

大型技术合并是经常发生的事件。这些合并的竞争影响是什么？借助简单的模型，我们将潜在竞争对手的收购确定为数字行业中合并控制的紧迫问题。我们还概述了一些关于数字和数字行业潜在相关的横向和大企业合并危害的最新理论。最后，我们就如何处理此类行业中的兼并提出了一些政策建议。