Demand: P = 1,000 − 10Q Total Revenue: TR = 1,000Q − 10Q2 Marginal Revenue: MR = 1,000 − 20Q Marginal Cost: MC = 100 + 10Q

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter13: best-practice Tactics: Game Theory
Section: Chapter Questions
Problem 1E
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Question 5
Based on market research, a film production company (monopolistically competitive firm) in Ectenia obtains the following information about the demand and production costs of its new DVD:

Demand: P = 1,000 − 10Q
Total Revenue: TR = 1,000Q − 10Q2
Marginal Revenue: MR = 1,000 − 20Q
Marginal Cost: MC = 100 + 10Q
where Q indicates the number of copies sold and P is the price in Ectenian dollars.

a. Find the price and quantity that maximize the company’s profit.
b. Find the price and quantity that would maximize social welfare.
c. Calculate the deadweight loss from monopoly.

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