The average cost for a typical electric-power-production firm is AC = 100 - 10Q + Q2 where Q is measured in billion kilowatt hours per day. At the current regulated price, consumers demand 4 billion kilowatt hours per day

Is this market a natural monopoly? If demand increases to 10 billion kilowatt hours, is this market a natural monopoly? Explain.


The firm enjoys economies of scale up to 5 billion kilowatt hours (kwhr) per day (Minimum AC). So, at 4 billion kwhr per day, the firm is a natural monopoly. At 10 billion kwhr per day, this firm is no longer a natural monopoly.

Economics

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