There's a fundamental difference, even between economic conservatives and libertarians on this point. George stigler was a big fan of the antitra, of the shermanact. He thought that the sherman act was exactly the right level of enforcement. If you and another company want to merge, you have to go and ask the permission of the anti trust authority. And since the law, i the standards are not clear, they are acting much more like a regulatory agency than a law enforcement agency.
Are tech giants such as Google, Amazon, or Facebook dangerous? Do they have too much power? Dive into the murky waters of antitrust as Michael Munger of Duke University talks with EconTalk host Russ Roberts about monopoly, antitrust policy, and competition in the 21st century.