The demand and supply of detergent are given by QD = 7,000 – 1,000P and QS = 1,000P – 1,000, where P is price per gallon and Q is in gallons. What happens at a price ceiling of $2 per gallon?

A firm is producing 8 units of output at an average total cost of $40. When the firm produces 9 units of output, average total cost rises to $54. What is the marginal cost of the 9th unit of output?

In a perfectly competitive industry, the equilibrium price is $10, and the minimum average total cost of the industry’s firms is $20. If this is a constant-cost industry, we can expect that in the long run, firms will _____ the market, shifting the industry’s short-run supply curve _____.

In the market for apartment rentals, the demand and supply equations are given by QD = 5,000 – 3P and QS = 5P + 1,000, where P is the price per apartment and Q measures the quantity of apartments. What is the equilibrium quantity?

A firm is producing 4 units of output at an average total cost of $10. When the firm produces 5 units of output, average total cost rises to $20. What is the marginal cost of the fifth unit of output?

If a firm has market power but cannot prevent its customers from reselling the product, then the firm will

Suppose the supply curve for backpacks is Q = 2P – 36. What is the highest price at which no producer is willing to sell backpacks (i.e., the supply choke price)?

In the market for apartment rentals, the demand and supply equations are given by QD = 9,000 – 2P and QS = 3P + 1,000, where P is the price per apartment and Q measures the quantity of apartments. What is the equilibrium quantity?

Which of the following is an example of the sunk cost fallacy?

If a firm practices first-degree price discrimination, the firm must