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Public policy debates

A. C. Pigou was at the time the sole economics professor at Cambridge. He had a continuing interest in the subject of unemployment, having expressed the view in his popular Unemployment (1913) that it was caused by "maladjustment between wage-rates and demand" – a view Keynes may have shared prior to the years of the General Theory. Nor were his practical recommendations very different: "on many occasions in the thirties" Pigou "gave public support to State action designed to stimulate employment". Where the two men differed is in the link between theory and practice. Keynes was seeking to build theoretical foundations to support his recommendations for public works while Pigou showed no disposition to move away from classical doctrine. Referring to him and Dennis Robertson, Keynes asked rhetorically: "Why do they insist on maintaining theories from which their own practical conclusions cannot possibly follow?"