Columbia subject headings:
Cost and standard of living--United States.
Quality of life--United States.
Social indicators--United States.
United States--Social conditions--1980-2020.
Harvard subject headings:
Cost and standard of living--United States.
Quality of life--United States
Social indicators--United States
United States--Social conditions--1980-2020
Princeton subject headings:
Cost and standard of living--United States.
Quality of life--United States.
Social indicators--United States.
United States--Social conditions--1980-2020.