econ 2100 21 questions

One difference between a perfectly competitive firm and a monopoly is that a perfectly competitive firm produces where a. marginal cost equals price, while a monopolist produces where price exceeds marginal cost. b. marginal cost equals price, while a monopolist produces where marginal cost exceeds price. c. price exceeds marginal cost, while a monopolist produces where marginal cost equals price. d. marginal cost exceeds price, while a monopolist produces where marginal cost equals price.

A

A tax on a good a. raises the price that buyers effectively pay and raises the price that sellers effectively receive. b. raises the price that buyers effectively pay and lowers the price that sellers effectively receive. c. lowers the price that buyers effectively pay and raises the price that sellers effectively receive. d. lowers the price that buyers effectively pay and lowers the price that sellers effectively receive.

B

Economists normally assume that the goal of a firm is to a. maximize its total revenue. b. maximize its profit. c. minimize its explicit costs. d. minimize its total cost.

B

On a graph, consumer surplus is represented by the area a. between the demand and supply curves. b. below the demand curve and above price. c. below the price and above the supply curve. d. below the demand curve and to the right of equilibrium price

B

When a good is excludable, a. one person's use of the good diminishes another person's ability to use it. b. people can be prevented from using the good. c. no more than one person can use the good at the same time. d. everyone will be excluded from using the good.

B

Chuck would be willing to pay $20 to attend a dog show, but he buys a ticket for $15. Chuck values the dog show at a. $5. b. $15. c. $20. d. $35.

C

For a firm, the production function represents the relationship between a. implicit costs and explicit costs. b. quantity of inputs and total cost. c. quantity of inputs and quantity of output. d. quantity of output and total cost

C

Goods that are rival in consumption include both a. club goods and public goods. b. public goods and common resources. c. common resources and private goods. d. private goods and club goods.

C

Research into new technologies provides a a. negative externality, and too few resources are devoted to research as a result. b. negative externality, and too many resources are devoted to research as a result. c. positive externality, and too few resources are devoted to research as a result. d. positive externality, and too many resources are devoted to research as a result.

C

What happens to the total surplus in a market when the government imposes a tax? a. Total surplus increases by the amount of the tax. b. Total surplus increases but by less than the amount of the tax. c. Total surplus decreases. d. Total surplus is unaffected by the tax.

C

A drought in California destroys many red grapes. As a result of the drought, the consumer surplus in the market for red grapes a. increases, and the consumer surplus in the market for red wine increases. b. increases, and the consumer surplus in the market for red wine decreases. c. decreases, and the consumer surplus in the market for red wine increases. d. decreases, and the consumer surplus in the market for red wine decreases.

D

A seller in a competitive market a. can sell all he wants at the going price, so he has little reason to charge less. b. will lose all his customers to other sellers if he raises his price. c. considers the market price to be a "take it or leave it" price. d. All of the above are correct.

D

Because monopoly firms do not have to compete with other firms, the outcome in a market with a monopoly is often a. not in the best interest of society. b. one that fails to maximize total economic well-being. c. inefficient. d. All of the above are correct.

D

For a competitive firm, a. total revenue equals average revenue. b. total revenue equals marginal revenue. c. total cost equals marginal revenue. d. average revenue equals marginal revenue

D

Goods that are excludable include both a. club goods and public goods. b. public goods and common resources. c. common resources and private goods. d. private goods and club goods.

D

If an externality is present in a market, economic efficiency may be enhanced by a. increased competition. b. weakening property rights. c. better informed market participants. d. government intervention.

D

The marginal product of labor is equal to the a. incremental cost associated with a one unit increase in labor. b. incremental profit associated with a one unit increase in labor. c. increase in labor necessary to generate a one unit increase in output. d. increase in output obtained from a one unit increase in labor

D

When a tax is levied on a good, the buyers and sellers of the good share the burden, a. provided the tax is levied on the sellers. b. provided the tax is levied on the buyers. c. provided a portion of the tax is levied on the buyers, with the remaining portion levied on the sellers. d. regardless of how the tax is levied.

D

When an externality is present, the market equilibrium is a. efficient, and the equilibrium maximizes the total benefit to society as a whole. b. efficient, but the equilibrium does not maximize the total benefit to society as a whole. c. inefficient, but the equilibrium maximizes the total benefit to society as a whole. d. inefficient, and the equilibrium does not maximize the total benefit to society as a whole.

D

Which of the following is not a reason for the existence of a monopoly? a. sole ownership of a key resource b. Patents c. copyrights d. diseconomies of scale

D

Which of the following statements regarding a competitive firm is correct? a. Because demand is downward sloping, if a firm increases its level of output, the firm will have to charge a lower price to sell the additional output. b. If a firm raises its price, the firm may be able to increase its total revenue even though it will sell fewer units. c. By lowering its price below the market price, the firm will benefit from selling more units at the lower price than it could have sold by charging the market price. d. For all firms, average revenue equals the price of the good.

D