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ECO 365 FINAL EXAM SET-1 (LATEST 2016)
1. Which of the following statements is true about a downward-sloping demand curve that is a straight line?
The slope and the elasticity are the same at all points.
The slope remains the same, but elasticity rises as you move down the demand curve.
The slope remains the same, but elasticity falls as you move down the demand curve.
The slope and the elasticity fall as you move down the demand curve
2. The best example of positive externality is:
roller coaster rides.
pollution.
alcoholic beverages.
education.
3. Suppose that college tuition is higher this year than last and that more students are enrolled in college this year than last year. Based on this information, we can best conclude that:
despite the increase in price, quantity demanded rose due to some other factors changing.
the demand for a college education is positively sloped.
the law of demand is invalid.
this situation has nothing to do with the law of demand.
4. Suppose foreign shrimp prices drop by 32 percent and importers gain a 90 percent market share. From this information, what would economists strongly suspect about this industry?
The large sales of foreigners indicate they are better strategic business bargainers than Americans are.
Foreign sellers probably are colluding on price to maximize profits.
Americans have a comparative advantage in shrimping.
Foreigners have a comparative advantage in shrimping.
5. The theory that quantity supplied and price are positively related, other things constant, is referred to as the law of:
supply
opportunity cost
profit maximization
demand
6. At one time, sea lions were depleting the stock of steelhead trout. One idea to scare sea lions away from the Washington coast was to launch fake killer whales, which are predators of sea lions. The cost of making the first whale is $16,000 ($5,000 for materials and $11,000 for the mold). The mold can be reused to make additional whales, and so additional whales cost $5,000 each. Based on these numbers, the production of fake killer whales exhibits:
Increasing returns to scale
Decreasing returns to scale
Diminishing marginal product
Constant returns to scale
7. Using 100 workers and 10 machines, a firm can produce 10,000 units of output; using 250 workers and 25 machines, the firm produces 21,000 units of output. These facts are best explained by:
Economies of scale
Diseconomies of scale
Diminishing marginal productivity
Economies of scope
8. Cartels are organizations that:
Coordinate the output and pricing decisions of a group of firms.
Use predatory pricing to monopolize industries.
Keep markets contestable.
Encourage price wars.
9. Price elasticity of demand is the:
Percentage change in quantity of a good demanded divided by the percentage change in the price of that good.
Change in the quantity of a good demanded divided by the change in the price of that good.
Percentage change in price of that good divided by the percentage change in the quantity of that good demanded.
Change in the price of a good divided by the change in the quantity of that good demanded.
10. For a monopolist, the price of a product:
Equals the marginal revenue.
Equals the marginal cost.
Is less than the marginal revenue.
Exceeds the marginal revenue.
11. A perfectly competitive firm facing a price of $50 decides to produce 500 widgets. Its marginal cost of producing the last widget is $50. If the firm’s goal is to maximize profit, it should:
Produce more widgets
Produce fewer widgets
Continue producing 500 widgets
Shut down
12. Microeconomics is the study of:
business cycles
a firm’s pricing policies
unemployment
inflation
13. When Ross Perot ran for president as a third party candidate in 1992, he argued that free trade with Mexico would result in massive job losses in the United States because Mexican wages were so low. Which of the following is the best explanation of why few economists agreed with Perot?
Economists did not believe any jobs would be lost in the United States.
Economics believed that the U.S. unemployment would rise.
Although economics predicted that unemployment would rise, the increased profits of corporations would raise stock prices enough to compensate for the lost jobs.
Although economists believed that in some areas the United States would lose jobs, they expected the United States would gain jobs in other areas.
14. Suppose OPEC announces it will increase production. Using supply and demand analysis to predict the effect of increased production on equilibrium price and quantity, the first step is to show the:
demand curve shifting to the left.
demand curve shifting to the right.
supply curve shifting to the left.
supply curve shifting to the right
15. The law of diminishing marginal productivity implies that the marginal product of a variable input:
Eventually declines
Is constant
Never declines
Always declines
16. In 1997, the federal government reinstated a 10 percent excise tax on airline tickets. The industry tried to pass on the full 10 percent ticket tax to consumers but was able to boost fares by only 4 percent. From this you can conclude that the:
Supply of airline tickets is perfectly inelastic.
Supply elasticity of airline tickets is less than infinity.
Demand for airline tickets is perfectly inelastic.
Demand elasticity for airline tickets is greater than zero in absolute value.
17. Graphically, a change in price causes:
a movement along a given supply curve, not a shift.
the supply curve to shift.
both supply and demand to shift.
the demand curve to shift
18. Microeconomics and macroeconomics are:
Not related because they are taught separately.
Interrelated because both are often taught by the same instructors.
Interrelated because what happens in the economy as a whole is based on individual decisions.
Virtually identical, though one is much more difficult than the other.
19. Suppose people freely choose to spend 40 percent of their income on health care, but then the government decides to tax 40 percent of that person’s income to provide the same level of coverage as before. What can be said about deadweight loss in each case?
Taxing income results in deadweight loss, and purchasing health care on one’s own doesn’t result in deadweight loss.
There is no difference between goods that are purchased in the market in either case.
There is no difference because the total spending remains the same and the health care purchased remains the same.
Taxing income results in less deadweight loss because government knows better what health care coverage is good for society.
20. Mr. Woodward’s cabinet shop is experiencing rapid growth in sales. As sales have increased, Mr. Woodward has found it necessary to hire more workers. However, he has observed that doubling the number of workers has less than doubled his output. What is the likely explanation?
The law of diminishing marginal utility
The law of demand
The law of diminishing marginal productivity
The law of supply
21. The DeBeers company is a profit-maximizing monopolist that exercises monopoly power in the distribution of diamonds. If the company earns positive economic profits this year, the price of diamonds will:
Exceed both the marginal cost and the average total cost of diamonds.
Exceed the marginal cost of diamonds but equal to the average total cost of diamonds.
Be equal to the average total cost of diamonds.
Be equal to the marginal cost of diamonds
22. Oligopoly is probably the best market for technological change because:
The typical oligopoly keeps price very close to average total cost because it fears the entry of new rivals if its profits are excessively high.
The typical oligopoly has the funds to carry out research and development and believe that its competitors are innovating, which motivates it to conduct research and development.
Research and development occurs only if government subsidizes such activity, and government tends to subsidize oligopolies.
The typical oligopoly lacks the funds to carry out research and development and therefore will use basic research from universities
23. A monopoly firm is different from a perfectly competitive firm in that:
There are many substitutes for a monopolist’s product whereas there are no substitutes for a competitive firm’s product.
A monopolist’s demand curve is perfectly inelastic whereas a perfectly competitive firm’s demand curve is perfectly elastic.
A monopolist can influence market price whereas a perfectly competitive firm cannot.
A competitive firm has a u-shaped average cost curve whereas a monopolist does not.
24. Many call centers that provide telephone customer services for U.S. companies have been established in India, but few or none have been established in China. Why?
Indian labor costs are equal to Chinese labor costs.
Chinese labor lacks the specific language skills needed to make call centers profitable in China.
China is at a more advanced stage of economic development than India.
China lacks the political infrastructure to support call centers.
25. Other things held constant in a competitive labor market, if workers negotiate a contract in which the employer agrees to pay an hourly of $17.85 while the market equilibrium hour rate is $16.50, the:
Quantity of workers supplied will exceed the quantity of workers demanded.
Demand for labor will increase until the equilibrium wage rate is $17.85.
Supply of labor will decrease until the equilibrium wage rate is $17.85.
Quantity of workers demanded will exceed the quantity of workers supplied.
26. Alex is playing his music at full volume in his dorm room. The other people living on his floor found this to be a nuisance, but Alex doesn’t care. Alex’s music playing is an example of:
Positive externality
Negative externality
Pareto externality
Normative externality
27. In 2011, the Department of Justice sued AT&T to block its merger with the cell phone service provider T-Mobile. To defend itself against the charge, AT&T argued that the:
Merger would improve and expand cellular service to consumers.
Government had guaranteed it exclusive control of cell phone service.
Combined company could raise prices, allowing it to survive in a rapidly changing market.
Government had no authority to block mergers in the telephone industry
28. A reduction in the supply of labor will cause wages to:
Decrease and employment to decrease.
Decrease and employment to increase.
Increase and employment to decrease.
Increase and employment to increase.
29. There are many restaurants in the city of Raleigh, each one offering food and services that differ from those of its competitors. There is also free entry of sellers into the market, and each seller serves a very small fraction of the total number of meals served each day. The restaurant industry in Raleigh is best characterized as:
A pure monopoly.
Perfectly competitive.
Monopolistically competitive.
An oligopoly
30. Strategic decision making is most important in:
Oligopolistic markets.
Competitive markets.
Monopolistically competitive markets.
Monopolistic markets.
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