Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
Related questions
Question
In Figure 5-2, what is the income elasticity of demand for automobiles (using the point elasticity formula)?
a. |
1/2 |
|
b. |
−1/2 |
|
c. |
2 |
|
d. |
−2 |
|
e. |
Approaching zero |

Transcribed Image Text:**Figure 5-2: Relationship between Income and Quantity Purchased**
The table illustrates the quantities of three different goods—automobiles, coffee, and margarine—purchased at two different income levels: $25,000 and $50,000.
- **Income**: Indicates the annual income levels of consumers.
- **Quantity Purchased**: Reflects the number of units bought of each good corresponding to the specified income levels.
**Details of Goods Purchased:**
1. **Automobiles**:
- At an income of $25,000, 2 automobiles were purchased.
- At an income of $50,000, 3 automobiles were purchased.
2. **Coffee**:
- At an income of $25,000, 10 units were purchased.
- At an income of $50,000, 8 units were purchased.
3. **Margarine**:
- At an income of $25,000, 1 unit was purchased.
- At an income of $50,000, 3 units were purchased.
**Analysis**:
This table demonstrates how the quantity of goods purchased can vary with changes in income levels. Notice that the purchase of automobiles and margarine increases as income rises, whereas coffee purchases decrease with higher income. This information can be useful for understanding consumer behavior and preferences as income changes.
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