Purchase Solution

Herfindahl index

Not what you're looking for?

Ask Custom Question

Find the Herfindahl index for an industry composed of (a) three firms - one with 70 percent of the market, and the other two with 20 and 10 percent of the market respectively (b) one firm with 50 percent share of the market and 10 other equal sized firms (c) 10 equal sized firms.

Since under price leadership by the dominant firm, the firms in the industry following the leader behave as perfect competitors or price takers by always producing where the price set by the leader equals the sum of their marginal cost curves the following break even in the long run. True or False? Explain.

Purchase this Solution

Solution Summary

Herfindahl index calculation and price leadership concepts

Solution Preview

Herfindahl-Hirschman Index (HHI) measures of the size of firms in relationship to the industry. It is an indicator of the competitiveness in the industry. It is calculated by summing the squares of the market share of each firm. So you would calculate:

70^2 + 20^ 2 + 10^2 = 4900 + 400 + 100 = 5400

50^2 + 10* 5^2 = 2500 + 10 * 25 = 5000

10 * 10^2 = 10 ...

Purchase this Solution


Free BrainMass Quizzes
Elementary Microeconomics

This quiz reviews the basic concept of supply and demand analysis.

Economic Issues and Concepts

This quiz provides a review of the basic microeconomic concepts. Students can test their understanding of major economic issues.

Pricing Strategies

Discussion about various pricing techniques of profit-seeking firms.

Basics of Economics

Quiz will help you to review some basics of microeconomics and macroeconomics which are often not understood.

Economics, Basic Concepts, Demand-Supply-Equilibrium

The quiz tests the basic concepts of demand, supply, and equilibrium in a free market.