Exam 9: Profit Maximization in Perfectly Competitive Markets

ref SHAPE \* MERGEFORMAT The following figure shows the total cost and total revenue curves for a firm. Figure 9-2 $ref SHAPE \* MERGEFORMAT The following figure shows the total cost and total revenue curves for a firm. Figure 9-2 -Refer to Figure 9-2.At which of the following output levels is the firm incurring its highest loss?$ -Refer to Figure 9-2.At which of the following output levels is the firm incurring its highest loss?

(Multiple Choice)

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Question 81

Derive the first-order and second-order conditions for perfect competition.

(Essay)

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Question 82

The perfectly competitive firm's demand curve is horizontal because:

(Multiple Choice)

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Question 83

A profit-maximizing firm expands output until marginal revenue equals the _____ of producing the last unit.

(Multiple Choice)

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Question 84

The following figure shows the marginal cost curve,average total cost curve,average variable cost curve,and marginal revenue curve for a firm for different levels of output. Figure 9-3 -Refer to Figure 9-3.At the output level OB,total profits equal the area given by _____.

(Multiple Choice)

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Question 85

( A)Jack's lawn-mowing service is a profit-maximizing,perfectly competitive firm.Jack mows lawns for $27 each.His total cost each day is $280,of which $30 is total fixed cost.He mows 10 lawns a day.Will Jack exit the industry in the short-run? Why or why not?

(Essay)

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Question 86

The demand for corn has increased over the past few decades to satisfy the increasing demand from the food and ethanol industries.The primary beneficiaries of an expansion in the output of corn are owners of farmland suitable for corn production.What can you conclude about the nature of the corn industry?

(Multiple Choice)

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Question 87

The following figure shows the marginal cost curve,average total cost curve,average variable cost curve,and marginal revenue curve for a firm for different levels of output. Figure 9-3 -Refer to Figure 9-3.At the output level OC,average fixed cost is equal to _____.

(Multiple Choice)

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Question 88

The short-run supply curve for a perfectly competitive industry:

(Multiple Choice)

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Question 89

Which of the following is an assumption in the model of perfect competition?

(Multiple Choice)

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Question 90

The presence of a relatively large number of firms in an industry does not ensure perfect competition if:

(Multiple Choice)

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Question 91

The short-run supply curve for a competitive industry:

(Multiple Choice)

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Question 92

A significant decrease in the price of a variable input causes the:

(Multiple Choice)

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Question 93

The following figure shows the total cost and total revenue for a firm when it prices its products at $8 and $10. Figure 9-1 -In Figure 9-1,if the market price fell to $8 the firm would:

(Multiple Choice)

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Question 94

At the profit maximizing level of output in a competitive industry,the firm is:

(Multiple Choice)

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Question 95

Zero economic profit occurs when:

(Multiple Choice)

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Question 96

In an increasing cost industry,as output increases:

(Multiple Choice)

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Question 97

Showing 81 - 97 of 97

Derive the first-order and second-order conditions for perfect competition.

The perfectly competitive firm's demand curve is horizontal because:

A profit-maximizing firm expands output until marginal revenue equals the _____ of producing the last unit.

The following figure shows the marginal cost curve,average total cost curve,average variable cost curve,and marginal revenue curve for a firm for different levels of output. Figure 9-3 -Refer to Figure 9-3.At the output level OB,total profits equal the area given by _____.

( A)Jack's lawn-mowing service is a profit-maximizing,perfectly competitive firm.Jack mows lawns for $27 each.His total cost each day is $280,of which $30 is total fixed cost.He mows 10 lawns a day.Will Jack exit the industry in the short-run? Why or why not?

The following figure shows the marginal cost curve,average total cost curve,average variable cost curve,and marginal revenue curve for a firm for different levels of output. Figure 9-3 -Refer to Figure 9-3.At the output level OC,average fixed cost is equal to _____.

The short-run supply curve for a perfectly competitive industry:

Which of the following is an assumption in the model of perfect competition?

The presence of a relatively large number of firms in an industry does not ensure perfect competition if:

The short-run supply curve for a competitive industry:

A significant decrease in the price of a variable input causes the:

The following figure shows the total cost and total revenue for a firm when it prices its products at $8 and $10. Figure 9-1 -In Figure 9-1,if the market price fell to $8 the firm would:

At the profit maximizing level of output in a competitive industry,the firm is:

Zero economic profit occurs when:

In an increasing cost industry,as output increases:

An Introduction to Microeconomics

Supply and Demand

The Theory of Consumer Choice

Individual and Market Demand

Using Consumer Choice Theory

Exchange, Efficiency, and Prices

Production

The Cost of Production

Using the Competitive Model

Monopoly

Product Pricing With Monopoly Power

Monopolistic Competition and Oligopoly

Game Theory and the Economics of Information

Using Noncompetitive Market Models

Employment and Pricing of Inputs

Wages, Rent, Interest, and Profit

Using Input Market Analysis

General Equilibrium Analysis and Economic Efficiency

Public Goods and Externalities

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