Columbia subject headings:
Heckscher, Eli F. (Eli Filip), 1879-1952.
Ohlin, Bertil, 1899-1979.
Prices--Sweden--Mathematical models.
Sweden--Commerce--Mathematical models.
Sweden--Economic conditions.
Harvard subject headings:
Sweden--Commerce--Mathematical models.
Sweden--Economic policy--Mathematical models.
Princeton subject headings:
Heckscher, Eli F. (Eli Filip), 1879-1952.
Ohlin, Bertil, 1899-1979.
Prices--Sweden--Mathematical models.
Sweden--Commerce--Mathematical models.
Sweden--Economic conditions--Mathematical models.