Columbia subject headings:
Egypt--Economic conditions--1952---Mathematical models.
Egypt--Economic policy--Mathematical models.
Shadow prices--Egypt--Mathematical models.
Harvard subject headings:
Egypt--Economic conditions--1952---Mathematical models.
Egypt--Economic policy--Mathematical models.
Shadow prices--Egypt--Mathematical models.
Princeton subject headings:
Egypt--Economic conditions--1952---Mathematical models.
Egypt--Economic policy--Mathematical models.
Shadow prices--Egypt--Mathematical models.