Which of the Following Statements Is Not Correct About Competitive

question 280

Multiple Choice

Which of the following statements is not correct about competitive firms?

• A)In a long-run equilibrium, firms must be operating at their efficient scale.
• B)In the short run, the number of firms in an industry may be fixed.
• C)In the long run, the number of firms can adjust to changing market conditions.
• D)In the short run, firms must be operating at a level of output where price equals average variable cost.

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Definitions:

Diplomonads

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Illnesses caused by infectious agents that are transmitted through contaminated water.

Colonial Green Algae

A group of green algae that live together in a colony, where individual cells are often connected by cytoplasmic bridges and exhibit little differentiation.

Volvox

A genus of green algae forming spherical colonies that live in fresh water and are capable of photosynthesis and sexual and asexual reproduction.