The problem of selecting units of measurement for the study of economic systems

This article focuses on the arguments that J. M. Keynes used in choosing the units of measurement for the study of economic systems. At the beginning of the paper, the main points relating to the concept of “economic system (E. S.)” are given. The article concludes with the reasons why J. M. Keynes did not use the concepts of national income, the stock of real capital, and the general price level as units of measurement. Finally, the reasons why Keynes chose his units of measurement for his studies of the economic system are explained.