Hadley, Arthur Twining, 1856–1930, American economist and educator, b. New Haven, Conn.; son of James Hadley. A graduate (1876) of Yale, he was on the faculty (1879–99) and later was president (1899–1921) of the university. As president of Yale, Hadley guided the wide expansion and improvement of the university. His Railroad Transportation (1885), the first comprehensive treatment of the subject, was long a standard work, and he served on several government commissions dealing with railroad problems. His other works include Economics: An Account of the Relations between Private Property and Public Welfare (1896), a strong defense of capitalism; Undercurrents in American Politics (1915); and The Conflict between Liberty and Equality (1925).
See biography by his son Morris Hadley (1948).
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