Exam 9: Long-Run Costs and Output Decisions

Music.com is earning a total revenue of $100,000 per year. Its annual total fixed costs are $50,000 and its annual total variable costs are $175,000. What is the operating profit for Music.com? What is economic profit? Is this firm doing the right thing by continuing to produce in the short run? If conditions don't change what should this firm do in the long run?

Assume that a manufacturer of new handheld computer makes a sales pitch to a retailer in which he is willing to sell 5,000 at $10, 7,000 for $8, 9,000 for $7. But any orders above that amount will start costing the retailer more money on a per-unit basis. The president of the retailer asks why he can't get a discount if he orders more. Can you provide an answer that would help this president understand this apparent paradox?

The figures below show the supply and demand for a perfectly competitive industry and the cost curves for a representative firm in the industry. Explain what will happen in the long run in this industry.

Books.com is earning a total revenue of $200,000 per year. Its annual total fixed costs are $50,000 and its annual total variable costs are $75,000. What is the operating profit for Books.com? What is economic profit?

What does it mean if an industry has external diseconomies?

What differentiates an increasing-cost industry from a decreasing-cost industry?

What must be true for an industry to be in long-run equilibrium?