Columbia subject headings:
Environmental policy--United States--Cost effectiveness.
Industrial policy--United States--Cost effectiveness.
Industrial safety--United States--Cost effectiveness.
Harvard subject headings:
Environmental policy--United States--Cost effectiveness
Industrial policy--United States--Cost effectiveness.
Industrial safety--United States--Cost effectiveness.
Princeton subject headings:
Environmental policy--United States--Cost effectiveness.
Industrial policy--United States--Cost effectiveness.
Industrial safety--United States--Cost effectiveness.