'In emphasizing our point of departure from the classical system, we must not overlook an important point of agreement. For we shall maintain the first postulate as heretofore, subject only to the same qualifications as in the classical theory;....( 本文17P.)
' In a given state of organization, equipment and technique, the real wage earned by a unit of labour has uniquely ( inverse ) correlation with the volume of employment. Thus if employment increases, then, in the short period, the reward per unit of labour in terms of wage-goods must, in general, decline and profits increase. This is simply the obverse of familiar proposition that industry is normally working subject to decreasing returns in the short period during which equipment etc. is assumed to be constant; so that the the marginal product in the wage-good industries ( which govern real wage ) necessarily diminishes as employment is increased. ' ( 本文17P.)