Economies of scale:
a. are the result of a diminishing marginal product
b. pertain to the long run only.
c. refer to the increase in output that results from the increased utilization of a single input.
d. imply that the average total cost curve will fall continuously as output increases in the short run.
b
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Suppose Kate's Great Crete (KGC) has annual variable costs of VC = 30Q + 0.0025Q2 and marginal costs of MC = 30 + 0.005Q, where Q is the number of cubic yards of concrete it produces per year. In addition, it has an avoidable fixed cost of $50,000 per year. KGC's demand function is Qd = 20,000 - 400P. What is KGC's total revenue function?
A. TR = 50Q - 0.0025Q2 B. TR = 50Q + 0.0025Q2 C. TR = 20,000 - 400P D. TR = 50 - 0.005Q
Aggregate supply is _____________.
Fill in the blank(s) with the appropriate word(s).