Many economists did not see financial economics as central to their discipline, viewing it as specialized and relatively unimportant in almost the same way as the economics of ketchup, studied in isolation, would be trivial. ("Ketchup economics" was how the economist Lawrence Summers once memorably depicted how work on finance could appear to the discipline's mainstream.9) The academic base of financial economics was not in economics departments; it remained primarily in business schools.

Donald MacKenzie, An Engine, Not a Camera, loc. 34