Bronislaw Minc, a Polish economist, at the economic session of the economists of the socialist states (Moscow, November 1957), in an article published in the Polish magazine, Economista (No. 5, 1956) as well as in his book Problems of the Political Economy of Socialism, 2nd ed., Warsaw, 1957, denies the action of the law of the more rapid growth of the means of production (as compared with the means of consumption) both under capitalism and socialism. There is no such a law; there is only a tendency of an historical character which takes an upper hand at some periods, especially during an industrial revolution. According to Mine four factors influence the relation of the rate of growth of the two subdivisions of social production: 1) the structure of production, i.e. the share of production, consumption and national income in the gross product; 2) the share of accumulation in national income; 3) the relationship of the accumulation of means of production to the accumulation of the means of consumption in total accumulation; 4) the structure of foreign trade. Each question may be approached theoretically or concretely. Marx and Lenin followed the first method because only this method allows one to discover the action of laws. Of course, factors cited by Mine influence the relation between the two subdivisions, but there are also others. The more such factors are Investigated in their concrete economic aspect, the better. Yet the basis of such an anlysis is the understanding of the basic economic law governing the ratio. Mine asserts, for example, that the development of capitalism is accompanied by a reduction of material expenditures per unit of labor. But he forgets that technical progress results in a reduction of labor required. This is true not only for the period of the improvement of machines. And there is no reason to assume that automation leads to the lowering of the organic structure of capital.