If the monopolist's demand curve is P = 70 - 14Q,then the slope of her marginal revenue curve is
A) -28.
B) -14.
C) -7.
D) -1.
E) unknown.

Name: If the monopolist's demand curve is P = 70 - 14Q,then the slope of her marginal revenue curve is A) -28. B) -14. C) -7. D) -1. E) unknown.
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Question

Quizplus · Accepted Answer

The marginal revenue curve for a linear demand curve P = a - bQ has the same intercept and twice the slope of the demand curve. Here, the slope of the demand curve is -14, so the slope of the marginal revenue curve is -28.

If the Monopolist's Demand Curve Is P = 70 -