Sidelined by Stalinist hardliners, he returned to politics after the Polish October as vice president of the Economic Committee to the Council of Ministers (1957–1963) and professor of Warsaw University (from 1958).

In the period 1927–1929 he worked in the economic department of the Ministry of Industry and Commerce of the republic of Poland (Ministerstwo Przemysłu i Handlu II RP), performing, among others, the function of deputy commissioner of the Polish Trade Association with Russia "Polros".

In 1943, avoiding arrest by the Gestapo, he left occupied France, through Spain and Portugal he reached Gibraltar from where he went to London.

In London, in 1944, he found himself in a study group at the Minister of Treasury in the Polish Government in exile, Ludwik Grosfeld.

He was co-opted to the State National Council, and on 10 November 1945 was appointed president of the Central Planning Office.

In February 1948 removed from office under the pressure of the Polish Workers' Party, Stalinizing the economic policy of the country.

In 1961, together with Zygmunt Bauman, Jan Strzelecki and Jerzy Wiatr, he participated in a discussion devoted to the future of Polish society.

Not as a sociologist, educator or psychologist, but as an economist, the greatest danger threatening in our social life, he saw in the gaps of social education, in the erroneous philosophical justifications of human attitudes: the sense of the absurdity of life and the feeling of lack of connection between his own actions and what it meets us, the philosophy of blind destiny is by no means fully overcome ....[3] Author of a number of economic works published in Poland and abroad.