If you have an infinite number of firms, you have perfect and they are producing a homogeneous product. But everything in between is what we would call s a greek oligopole,. You either have one, infinite or in between. So this is just, it's horrifying to me, because here's the way economists look at these issues. When you have one firm, you have a monopoly. And it's bad for consumers.
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.