Chapter 11 - Market Structures: Perfect Competition and Monopoly

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37 Terms

1

Short-Run Costs for Jennifer and Jason's Farm

Ex.

<p>Ex.</p>
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2

Price-taking firm’s optimal output rule

Says that a price-taking firms profit is maximized by producing the quantity of output at which the market price is equal to the marginal cost of the last unit produced.

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3

The Price-Taking Firm's Profit-Maximizing Quantity of Output

Ex.

<p>Ex.</p>
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4

Short-Run Average Costs for Jennifer and Jason's Farm

Ex.

<p>Ex.</p>
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5

Costs and Production in the Short Run

Ex.

<p>Ex.</p>
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6

Profitability and the Market Price

Ex.

<p>Ex.</p>
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7

Break-even price

The break-even price of a price-taking firm is the market price at which it earns zero profits.

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8

The Short-Run Individual Supply Curve

Ex.

<p>Ex.</p>
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9

Shut-down price

A firm will cease production in the short run if the market price falls below the shut-down price, which is equal to minimum average variable cost.

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10

Short-run individual supply curve

Shows how an individual firms profit-maximizing level of output depends on the market price, taking fixed cost as given.

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11

How is fixed costs changed?

In the long run

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12

Summary of the Perfectly Competitive Firm's Profitability and Production Conditions

Ex.

<p>Ex.</p>
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13

Industry supply curve

Shows the relationship between the price of a good and the total output of the industry as a whole.

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14

The Short-Run Individual Supply Curve

Ex.

<p>Ex.</p>
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15

Short-run industry supply curve

Shows how the quantity supplied by an industry depends on the market price, given a fixed number of firms.

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16

The Short-Run Market Equilibrium

When the quantity supplied equals, the quantity demanded, taking the number of producers as given.

<p>When the quantity supplied equals, the quantity demanded, taking the number of producers as given.</p>
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17

The Long-Run Market Equilibrium

When the quantity supplied equals, the quantity demanded, given that sufficient time has elapsed for entry into and exit from the industry to occur.

<p>When the quantity supplied equals, the quantity demanded, given that sufficient time has elapsed for entry into and exit from the industry to occur. </p>
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18

The Effect of an Increase in Demand in the Short Run and the Long Run

Ex.

<p>Ex.</p>
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19

Long-run industry supply

Shows how the quantity supplied responds to the price once producers have had time to enter or exit an industry.

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20

Comparing the Short-Run and Long-Run Industry Supply Curves

Ex.

<p>Ex.</p>
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21

Comparing the Demand Curves of a Perfectly Competitive Producer and a Monopolist

Ex.

<p>Ex.</p>
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22

Demand, Total Revenue, and Marginal Revenue for the De Beers Diamond Monopoly

Ex.

<p>Ex.</p>
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23

A Monopolist's Demand, Total Revenue, and Marginal Revenue Curves

Ex.

<p>Ex.</p>
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24

The Monopolist's Profit-Maximizing Output and Price

Ex.

<p>Ex.</p>
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25

The Monopolist's Profit

Ex.

<p>Ex.</p>
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26

Monopoly Causes Inefficiency

Ex.

<p>Ex.</p>
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27

Public Ownership

In public ownership of a monopoly, the good is supplied by the government or by a firm owned by the government.

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28

Price regulation

Limits the price that a monopolist is allowed to charge.

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29

Unregulated and Regulated Natural Monopoly

Ex.

<p>Ex.</p>
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30

Single-price monopolist

A monopoly who charges all consumers the same price.

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31

Price discrimination

This happens when sellers change different prices to different consumers for the same good.

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32

Two Types of Airline Customers

Ex.

<p>Ex.</p>
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33

Perfect Price Discrimination

Takes place when the monopoly charges each consumer his or her willingness to pay – the maximum that the customer is willing to pay.

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34

Advance purchase restrictions

Prices are lower for those who purchase well in advance. This separates those who are likely to shop for better prices from those who won’t.

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35

Volume discounts

Often the price is lower if you buy a larger quantity. For a consumer who plans to consume a lot of a good, the cost of the last unit – the marginal cost to the consumer – is considerably less than the average price.

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36

Price Discrimination Examples

Ex.

<p>Ex.</p>
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37

Two-part tariffs

In a discount club like Costco or Sam’s Club you pay an annual fee in addition to the price of the items you purchase. So the full price of the first item you buy is in effect much higher than that of subsequent items.

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