Columbia subject headings:
Industrial capacity--Canada.
Industrial capacity--United States.
Industrial productivity--Canada.
Industrial productivity--United States.
Harvard subject headings:
Economies of scale--Canada.
Economies of scale--United States.
Industrial capacity--Canada.
Industrial capacity--United States.
Industrial productivity--Canada
Industrial productivity--United States.
Manufactures--Canada.
Manufactures--United States
Manufacturing industries--Canada
Manufacturing industries--United States
Princeton subject headings:
Industrial capacity--Canada.
Industrial capacity--United States.
Industrial productivity--Canada.
Industrial productivity--United States.