160 120 80 40 1 2 3 4 5 Quantity Price (dollars)

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
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In Figure 7-3, curve I is the

 

  a.

total-fixed-cost curve.

  b.

average-variable-cost curve.

  c.

total-cost curve.

  d.

total-variable-cost curve.

  e.

average-total-cost curve.

**Figure 7-3: Price vs. Quantity Graph Explanation**

This graph illustrates the relationship between price (in dollars) and quantity for three different curves labeled I, II, and III.

- The y-axis represents the price in dollars, ranging from 0 to 160.
- The x-axis represents quantity, ranging from 0 to 6.

**Curve Descriptions:**

1. **Curve I**:
   - Begins at the origin and ascends steeply as quantity increases. 
   - The curve demonstrates a significant price increase, suggesting a high change in price relative to the change in quantity.

2. **Curve II**:
   - Starts slightly above the origin and follows a similar upward trend to Curve I but at a more moderate slope.
   - Illustrates a steady increase in price with a rise in quantity.

3. **Curve III**:
   - Is a horizontal line at the price level of $40.
   - Represents a constant price irrespective of the quantity, indicating a perfectly inelastic or fixed price scenario up to a quantity of 5.

**Intersection Points**:
- Both Curves I and II intersect with a vertical line rising from a quantity of 5, which signifies price levels of approximately $120 and $80, respectively.

This graph is useful for understanding different pricing behaviors and elasticity in response to quantity changes in an economic context.
Transcribed Image Text:**Figure 7-3: Price vs. Quantity Graph Explanation** This graph illustrates the relationship between price (in dollars) and quantity for three different curves labeled I, II, and III. - The y-axis represents the price in dollars, ranging from 0 to 160. - The x-axis represents quantity, ranging from 0 to 6. **Curve Descriptions:** 1. **Curve I**: - Begins at the origin and ascends steeply as quantity increases. - The curve demonstrates a significant price increase, suggesting a high change in price relative to the change in quantity. 2. **Curve II**: - Starts slightly above the origin and follows a similar upward trend to Curve I but at a more moderate slope. - Illustrates a steady increase in price with a rise in quantity. 3. **Curve III**: - Is a horizontal line at the price level of $40. - Represents a constant price irrespective of the quantity, indicating a perfectly inelastic or fixed price scenario up to a quantity of 5. **Intersection Points**: - Both Curves I and II intersect with a vertical line rising from a quantity of 5, which signifies price levels of approximately $120 and $80, respectively. This graph is useful for understanding different pricing behaviors and elasticity in response to quantity changes in an economic context.
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