Economics: Principles, Problems, and Policies, 19th Edition

Published by McGraw-Hill Education
ISBN 10: 0073511447
ISBN 13: 978-0-07351-144-3

Chapter 11 - Monopolistic Competition and Oligopoly - Quick Quiz for Figure 11.4 - Page 229: 1

Answer

D.) 3800

Work Step by Step

Using the Herfindahl Hirschman formula to calculate the answer, we obtain: $$ 50^2+30^2+20^2\\ 2500+900+400=3800$$
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