Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:**Understanding Perfect Competition: Cost Curves and Market Entry**
**7.2.4** Refer to the figure below for a perfectly competitive producer.
In the diagram, we have cost curves against quantity produced for a firm in a perfectly competitive market:
- **MC (Marginal Cost)**: This curve represents the additional cost of producing one more unit. It typically slopes upwards.
- **ATC (Average Total Cost)**: This curve is U-shaped, indicating that costs per unit decrease, reach a minimum point, and then start increasing as more units are produced.
- **AVC (Average Variable Cost)**: This curve is also U-shaped and lies below the ATC curve, representing the variable costs per unit.
**Price and Cost Levels:**
- A horizontal line at **$5** indicates a potential market price.
- Another horizontal line at **$4** suggests a lower price level.
**Question:**
The firm would attract new entrants into the industry if the price is:
- \( \circ \) anywhere below $5.
- \( \circ \) below $5 but above $4.
- \( \circ \) below $4.
- \( \circ \) above $5.
Considerations:
New entrants are likely attracted if the market price is above the ATC, as this ensures profit. If the price is only above AVC but below ATC, firms may not cover all costs in the long run.
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