Question

Refer to Exhibit 16-5. If a positive externality exists, then curve 1 represents the ____, curve 2 represents the ____, curve 3 represents the ____ and Q1 represents the ____.

Answer 1

Curve 1 - Marginal private cost curve

Curve 2 - demand curve

Curve 3 - Marginal Social Benefit Curve

Q1 - Market Output

Step-by-step explanation:

Marginal cost is the cost for one additional unit production. It is U shaped because when more units are produced the marginal cost will decline. When more units are produced and sold the marginal cost will be lower. There fore demand curve should be inclining when marginal cost needs to be lower.