Use the Following Figure to Answer the Question : Figure

question 59

Multiple Choice

Use the following figure to answer the question : Figure 20-1 : D₁ and S₁ are the private demand and supply curves,of a commodity produced by a competitive firm.S₂ reflects the social marginal cost of production,while S₀ represents the external marginal cost.
-According to Figure 20-1,the efficient output is ______ than the equilibrium output by _____ units.

• A)more;400
• B)less;400
• C)more;100
• D)less;200

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