Economies of scale exist when the average cost decreases as the number of units increases. The average cost for N units is the sum total of all fixed and per-un

Economies of scale exist when the average cost decreases as the number of units increases. The average cost for N units is the sum total of all fixed and per-unit costs divided by N. https://en.wikipedia.org/wiki/Economies_of_scale https://en.wikipedia.org/wiki/Economies_of_scale