Columbia subject headings:
Central planning--Europe, Eastern--Econometric models.
Central planning--Soviet Union--Econometric models.
Europe, Eastern--Economic conditions--1945-1989--Econometric models.
Soviet Union--Economic conditions--1985-1991--Econometric models.
Harvard subject headings:
Central planning--Communist countries--Mathematical models.
Communist countries--Economic policy--Mathematical models.
Economics--Mathematical models
Princeton subject headings: