Which of the Following Is Not True for a Competitive

question 3

Multiple Choice

Which of the following is not true for a competitive firm?

• A) The marginal cost curve is the short-run supply curve.
• B) The marginal cost curve is horizontal at the equilibrium price.
• C) The marginal cost curve shifts downward when productivity increases.
• D) The marginal cost curve shifts upward when wages increase.

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