Chapter 2 Thinking Like an Economist

30. Suppose price is measured along the vertical axis on a graph. When price changes, there will be a
a. |
rotation of the curve. |
b. |
shift of the curve. |
c. |
movement along the curve. |
d. |
change in the slope of the curve. |
31. A demand curve shows the relationship
a. |
between income and quantity demanded. |
b. |
between price and income. |
c. |
between price and quantity demanded. |
d. |
among income, price, and quantity demanded. |
32. A demand curve shows the relationship between price and
a. |
income. |
b. |
quantity demanded. |
c. |
production. |
d. |
income and quantity demanded. |
33. A demand curve displaying the relationship between the price of cars and the quantity demanded of cars should have a slope that is
a. |
less than 0. |
b. |
between zero and 1. |
c. |
between one and infinity. |
d. |
undefined. |
34. Which of the following is not held constant when looking at an individual’s demand curve?
a. |
income |
b. |
price |
c. |
preferences |
d. |
the availability of alternative goods |
35. If Erin’s income decreases and, as a result, she chooses to buy fewer milkshakes per month at each price, then her demand curve will
a. |
shift to the right. |
b. |
shift to the left. |
c. |
not shift; instead, Erin will move along her demand curve downward and to the right. |
d. |
not shift; instead, Erin will move along her demand curve upward and to the left. |
Figure 2-14
36. Refer to Figure 2-14. The curves shown are
a. |
supply curves. |
b. |
demand curves. |
c. |
preference curves. |
d. |
income-consumption curves. |
37. Refer to Figure 2-14. The movement from point A to point B is a(n)
a. |
shift of the demand curve. |
b. |
indication of a change in preferences for grapes. |
c. |
movement along the demand curve. |
d. |
indication of an increase in income. |
38. Refer to Figure 2-14. The movement from point B to point C is a(n)
a. |
shift of the demand curve. |
b. |
movement along the demand curve. |
c. |
indication that the price of grapes has changed. |
d. |
indication that the costs incurred by firms that produce grapes have changed. |
39. Refer to Figure 2-14. The movement from point B to point C could have been caused by
a. |
inflation. |
b. |
a change in income. |
c. |
a change in the price of grapes. |
d. |
a change in the cost of producing grapes. |

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Solution: Chapter 2 Thinking Like an Economist