Columbia subject headings:
Economic forecasting--United States.
Population forecasting--United States.
United States--Economic conditions--1971-1981.
Harvard subject headings:
Economic forecasting--United States.
Population forecasting--United States.
United States--Economic conditions--1971-1981.
Princeton subject headings:
Economic forecasting--United States.
Population forecasting--United States.
United States--Economic conditions--1971-.