Columbia subject headings:
Demographic transition--Economic aspects--United States.
Population--Economic aspects--United States.
United States--Economic conditions--1981-2001.
Harvard subject headings:
Demographic transition--Economic aspects--United States.
Population--Economic aspects--United States.
United States--Economic conditions--1981-2001.
Princeton subject headings:
Demographic transition--Economic aspects--United States.
Economic forecasting--United States.
Population forecasting--United States.
United States--Economic conditions--1981-2001.
United States--Population--Economic aspects.