I've been reading Zero to One, and one of the ideas the book pitches is that monopoly and innovation are two sides of the same coin. Only monopoly-like companies have time and money to dump into innovative products (Bell, GE, IBM, Google). And people only invest in an idea if they think they can profit from it (look at how crucial a patent system was for the industrial revolution). Competition is important, but to dr…
That isn't right. The truth is somewhere in the middle: definitely, you see some large companies invest heavily but (more commonly) you see small firms nibble at the edges of an existing product until it is too late for the larger companies. Saying that monopoly produces innovation is like saying government produces innovation. It happens but given a long enough period all things happen. The question is about incenti…
However monopolies are not always due to innovation, nor our monopolies inefficient. As you mentioned, it's a function of things that repeat, but also due to stronger players that gobble up less efficient and/or innovative firms.
I would read between the lines. Business history is indeed difficult.