Question 1

A firm has a Lerner index of 0.75 and charges a price of $150. The firm's marginal cost is:

Accepted Answer

A)  $0. 
B)  $37.50. 
C)  $112.50. 
D)  There is not sufficient information to determine the firm's marginal cost. 
A)  $0. 
B)  $37.50. 
C)  $112.50. 
D)  There is not sufficient information to determine the firm's marginal cost.

Question 2

An industry consists of five firms with equal annual sales. What is the industry's HHI?

Accepted Answer

A)  2,000 
B)  2,500 
C)  10,000 
D)  There is not sufficient information to compute the industry HHI. 
A)  2,000 
B)  2,500 
C)  10,000 
D)  There is not sufficient information to compute the industry HHI.

Question 3

Having worked for many of the firms in the petroleum industry, you know that the price elasticity of demand for a representative firm is about -1.25. Moreover, a recent report from an economist in your office revealed that the price elasticity of demand for the petroleum products sold by your firm is -1.5. Based on this information, you know that the Rothschild index is:

Accepted Answer

A)  0.833. 
B)  1.20. 
C)  -1.20. 
D)  -0.833. 
A)  0.833. 
B)  1.20. 
C)  -1.20. 
D)  -0.833.

A firm has a Lerner index of 0.75 and charges a price of $150. The firm's marginal cost is:

An industry consists of five firms with equal annual sales. What is the industry's HHI?

The Fundamentals of Managerial Economics

Market Forces: Demand and Supply

Quantitative Demand Analysis

The Theory of Individual Behavior

The Production Process and Costs

The Organization of the Firm

Managing in Competitive, Monopolistic, and Monopolistically Competitive Markets

Basic Oligopoly Models

Game Theory: Inside Oligopoly

Pricing Strategies for Firms With Market Power

The Economics of Information

Advanced Topics in Business Strategy

A Managers Guide to Government in the Marketplace

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Exam 7: The Nature of Industry

A firm has a Lerner index of 0.75 and charges a price of $150. The firm's marginal cost is:

An industry consists of five firms with equal annual sales. What is the industry's HHI?

The Fundamentals of Managerial Economics

Market Forces: Demand and Supply

Quantitative Demand Analysis

The Theory of Individual Behavior

The Production Process and Costs

The Organization of the Firm

Managing in Competitive, Monopolistic, and Monopolistically Competitive Markets

Basic Oligopoly Models

Game Theory: Inside Oligopoly

Pricing Strategies for Firms With Market Power

The Economics of Information

Advanced Topics in Business Strategy

A Managers Guide to Government in the Marketplace

Filters