Concept explainers
(a)
The statements for price and marginal revenue.
(a)
Explanation of Solution
The statement is not agreeable. A monopolist chooses the quantity that sets the marginal cost equal to the marginal revenue. Then, the monopolist charges a higher price than the marginal revenue. Since the monopolist faces a downward sloping demand curve, the monopolist has to lower its price, in order to sell more.
Marginal cost: Marginal cost is the additional cost incurred by a firm by producing an extra per unit of output.
Marginal revenue: Marginal revenue is the additional revenue earned by a firm by producing an extra per unit of output.
(b)
Pricing in a monopoly.
(b)
Explanation of Solution
The statement is not agreeable. This is because the demand still constricts monopoly. Substitutes, however distant, are available for monopoly’s output. Thus, the monopoly cannot virtually charge any price for the product since an increase in price causes a decrease in sales which may or may not decrease the total revenue. However, there is only one profit maximizing price for the monopoly.
Monopoly: Monopoly is a market structure where there is only one seller of a good or service that does not have a close substitute.
Substitute good: Two goods are said to be substitutes, if the change in price of one good (increase or decrease) would change the demand for the other good (increase or decrease).
(c)
Demand elasticity and marginal revenue.
(c)
Explanation of Solution
The statement is agreeable. When the demand elasticity is equal to –1 (which occurs at the midpoint of the demand curve), the marginal revenue curve would bisect the quantity or horizontal axis at that same output level, causing the marginal revenue to be 0.
Marginal revenue: Marginal revenue is the additional revenue earned by a firm by producing an extra per unit of output.
Elasticity of demand: Elasticity of demand is the responsiveness of the quantity demanded to a change in price; more responsiveness implies more elasticity.
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