In the late fall of 1924, John Maynard Keynes strode into the Examination Schools in Oxford and announced that the po liti cal economy of the civilized world was approaching, as his lecture title boldly proclaimed, the end of laissezfaire. … Now he was turning his attention to the development of a coherent theory of po liti cal economy to supplant the fading doctrines of the preceding century. … “We do not dance even yet to a new tune,” he told the attendees. “But change is in the air.”

Angus Burgin, The Great Persuasion, loc. 10