Columbia subject headings:
Economic forecasting--United States--Mathematical models.
United States--Economic conditions--1971-1981.
United States--Economic policy--1971-1981.
Harvard subject headings:
Economic forecasting--United States--Mathematical models.
United States--Economic conditions--1971-1981.
United States--Economic policy--1971-1981.
Princeton subject headings:
Economic forecasting--United States--Mathematical models.
United States--Economic conditions--1971-.
United States--Economic policy--1971-.