Economies of scale are factors that cause the average cost of producing something to fall as the volume of its output increases. Hence it might cost $3,000 to produce 100 copies of a magazine but only $4,000 to produce 1,000 copies. The average cost in this case has fallen from $30 to $4 a copy because the main elements of cost in producing a magazine (editorial and design) are unrelated to the number of ma