In a Competitive Market,the Market Demand Curve Measures the ________

question 42

Multiple Choice

In a competitive market,the market demand curve measures the ________ if ________ exist. In a competitive market,the market supply curve measures the ________ if ________ exist.

• A)marginal social benefit;no external costs;marginal social cost;no external benefits
• B)firms' marginal benefit;external benefits;consumers' marginal cost;external costs
• C)marginal social benefit;no external benefits;marginal social cost;no external costs
• D)marginal social benefit;external benefits;marginal social cost;external costs
• E)consumer surplus;external benefits;producer surplus;external costs

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