Suppose that there are only two fishermen, Zach and Jacob, who fish along a certain coast. They would each benefit if a lighthouse were built along the coast where they fish. The marginal cost of building each additional lighthouse is $150. The marginal benefit to Zach of each additional lighthouse is 90 - Q, and the marginal benefit to Jacob is 40 - Q, where Q equals the number of lighthouses. What is the efficient number of lighthouses?
What will be an ideal response?
equals the number of lighthouses.
What is the efficient number of lighthouses?
Economics
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