Tl;dr: A great deal of market power is created and exercised, not by monopolistic companies, but by professional monocultures on the labor side, even in very competitive product markets.
I. The Puzzle of Market Power
Arbitrage is the main motive force in economic theory: if there’s a profit opportunity out there, we . . .
Earlier this year, the San Francisco-based artificial intelligence research laboratory OpenAI built GPT-3, a 175-billion-parameter text-generating artificial intelligence. Compared to its predecessor, the humorously dissociative GPT-2, which had been trained on a data set less than one hundredth as large, GPT-3 is a startlingly convincing writer. It can answer questions . . .