The Economics of Welfare occupies a privileged position in economics. It contributed to the professionalization of economics, a goal aggressively and effectively pursued by Pigou's predecessor and teacher Alfred Marshall. The Economics of Welfare also may be credited with establishing welfare economics, by systematically analyzing market departures and their potential remedies. In writing The Economics of Welfare, Pigou built a bridge between the old and the new economics at Cambridge and in Britain. Much of the book remains relevant for contemporary economics....