ID: B
Microeconomics Mid-term
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Figure 6-3
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1. Refer to Figure 6-3. In panel (b), with the price floor in effect, there will be a. a shortage of wheat. b. equilibrium in the market. c. a surplus of wheat. d. an excess demand for wheat. 2. The positive relationship between price and quantity supplied is called a. profit. b. a change in supply. c. a shift of the supply curve. d. the law of supply. 3. When quantity demanded decreases at every possible price, we know that the demand curve has a. shifted to the left. b. shifted to the right. c. not shifted; rather, we have moved down the demand curve to a new point on the same curve. d. not shifted; rather, the demand curve has become flatter. 4. When the price of a good is $5, the quantity demanded is 100 units per month; when the price is $7, the quantity demanded is 80 units per month. Using the midpoint method, the price elasticity of demand is about a. 0.22. b. 0.67. c. 1.33. d. 1.50. 5. Which of these statements about economic models is correct? a. For economists, economic models provide insights about the world. b. Economic models are built with assumptions. c. Economic models are often composed of equations and diagrams. d. All of the above are correct.
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Name: ________________________ ____ 6. The signals that guide the allocation of resources in a market economy are a. surpluses and shortages. b. quantities. c. property rights. d. prices. 7. Economics is the study of a. production methods. b. how society manages its scarce resources. c. how households decide who performs which tasks. d. the interaction of business and government. Figure 4-10
ID: B
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8. Refer to Figure 4-10. Graph C shows which of the following? a. an increase in demand and an