The Long-Run Supply Curve for a Competitive Industry

question 193

Multiple Choice

The long-run supply curve for a competitive industry

• A)may be horizontal if entry into the industry lowers average total cost.
• B)may be upward-sloping if higher-cost firms enter the industry.
• C)will be horizontal if there is free entry into the industry.
• D)will be upward-sloping if there are barriers to entry into the industry.

Understand the significance of physical and genetic evidence in tracing human evolution.

Comprehend the development and impact of cultural practices among early humans.

Identify regional variations and specialization in early human tool traditions.

Understand genetic evidence used to support theories of human origins and migrations.

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