哈伯德-微觀經濟學 Charpter3

1、1. Refer to the graph below. The point of $250 and 35 million players represents a point on the market demand curve for digital music players. Which of the following interpretations of this point on the graph is correct? A. When one player costs $250, consumers buy 35 million of them per month. B. A

2、t $250, quantity demanded equals quantity supplied. C. When one player costs $250, suppliers sell 35 million of them per month. D. The dot shows that consumers spend a total of $250 on 35 million players each month2. Which of the following is the textbooks definition of demand schedule ? A. The quan

3、tity of a good or service that a consumer is willing to purchase at a given price. B. The demand for a product by all the consumers in a given geographical area. C. A curve that shows the relationship between the price of a product and the quantity of the product demanded. D. A table showing the rel

4、ationship between the price of a product and the quantity of the product demanded3. Which of the following defines market demand ? A. A curve that shows the relationship between the price of a product and the quantity of the product demanded. B. The quantity of a good or service that a consumer is w

5、illing to purchase at a given price. C. The demand for a product by all the consumers in a given geographical area. D. A table showing the relationship between the price of a product and the quantity of the product demanded4. Refer to the graph below. Along the demand curve, in what direction does q

6、uantity demanded move? A. In the opposite direction as a change in price. B. In a direction not necessarily related to a change in price. C. In an unpredictable direction, according to this graph. D. In the same direction as a change in price5. Which of the following procedures is correct? A. To der

7、ive a market demand curve, we add the prices that buyers and sellers agree upon in order to exchange a given quantity of a good. B. Individual demand curves can be obtained from a market demand curve. C. To derive a market demand curve, we add individual demand curves. D. All of the above procedures

8、 are correct6. Which of the following establishes the inverse relationship between the price of a product and the quantity of the product demanded? A. The income effect. B. The substitution effect. C. The law of demand. D. The price effect7. Which of the following best describes how changes in price

9、 affect a consumers purchasing power? A. The substitution effect. B. The law of demand. C. The term ceteris paribus . D. The income effect8. When analyzing the relationship between the price of a good and quantity demanded, other variables must be held constant. Which term best describes such an ass

10、umption? A. The law of demand. B. The income effect. C. The term ceteris paribus . D. The substitution effect For 9,10,119. Refer to the figure below. Each graph refers to the demand for pizzas. Which of the graphs best describes the impact of an increase in the price of a complementary good? A. Bot

11、h graphs. B. The graph on the right. C. Neither graph. D. The graph of the left10. Refer to the figure below. Each graph refers to the demand for pizza. Which of the graphs best describes the impact of an increase in the preference for pizza? A. The graph on the right. B. Neither graph. C. The graph

12、 on the left. D. Both graphs11. Refer to the figure below. Each graph refers to the demand for pizza. Which of the graphs best describes the impact of an increase in the expected price of pizza in the future? A. Both graphs. B. Neither graph. C. The graph on the right. D. The graph on the left12. Wh

13、en two goods are substitutes which of the following occurs? A. An increase in the price of one good leads to a decrease in the price of the other. B. An increase in the price of one good leads to a decrease in the quantity demanded of the other. C. An increase in the price of one good leads to an in

14、crease in the price of the other. D. An increase in the price of one good leads to an increase in the quantity demanded of the other13. What is a normal good? A. A good that does serves more than one purpose. B. A good for which demand increases as income rises. C. A good that can be used together w

15、ith another good. D. A good for which demand decreases as income falls For 14,1514. Refer to the graph below. Which of the following moves best describes a change in quantity demanded ? A. The move from A to B. B. The move from A to C. C. Either move from A to B or A to C. D. The move from B to C15.

16、 Refer to the graph below. Which of the following moves best describes what happens when a change in the price of a concert ticket affects the market demand for concerts? A. A move from A to B. B. A move from A to C. C. Either move from A to B or A to C. D. None of the above16. Which of the followin

17、g defines a supply schedule ? A. A table that shows the relationship between the price of a product and the quantity of the product supplied. B. The quantity of a good or service that a firm is willing to supply at a given price. C. A curve that shows the relationship between the price of a product

18、and the quantity of the product supplied. D. None of the above17. Which of the following best describes the law of supply ? A. Supply shifts are caused not by a single variable but most likely by a number of different variables. B. An increase in price causes an increase in the quantity supplied, an

19、d a decrease in price cause decrease in the quantity supplied. C. A change in price causes a shift of the supply curve. D. All of the above18. If there are three producers in a market, how can market supply be obtained? A. By dividing the quantity supplied in the market by three. B. By adding the qu

20、antities supplied by each seller at various prices. C. By adding the prices that producers are willing to obtain in order to produce a given quantity of a good or service. D. By adding both the prices and the quantities at which sellers are willing to sell their products For 19,20,2119. Refer to the

21、 figure below. The graphs depict the supply of rock concerts in the United States. Which of the graphs best describes the impact of an increase in the productivity of the bands and concert personnel? A. The graph on the right. B. The graph on the left. C. Both graphs. D. Neither graph20. Refer to th

22、e figure below. The graphs depict the supply of rock concerts in the United States. Which of the graphs best describes the impact of an increase in the expected future price of concert tickets? A. The graph on the right. B. Neither graph. C. The graph on the left. D. Both graphs21. Refer to the figu

23、re below. The graphs depict the supply of rock concerts. Which of the graphs best describes the impact of an increase in the price of concert tickets? A. Both graphs. B. The graph on the left. C. The graph on the right. D. Neither graph22. Refer to the graph below. Which of the following moves best describes a change in quantity supplied ? A. Either move from A to B or A to C. B. A move from A to C. C. A move from B to C. D.