Columbia subject headings:
Economies of scale--Mathematical models.
Industrial location--United States--Mathematical models.
Manufacturing industries--United States--Mathematical models.
Harvard subject headings:
Economies of scale--Mathematical models.
Economies of scale.
Industrial location--Mathematical models.
Industrial location.
Industries--Size
Manufactures--United States--Mathematical models.
Manufacturing industries--United States--Mathematical models.
Princeton subject headings:
Economies of scale--Mathematical models.
Industrial location--Mathematical models.
Industrial location--United States--Mathematical models.
Manufacturing industries--United States--Mathematical models.