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Microeconomics: Theory and Applications with Calculus, Global Edition

Microeconomics: Theory and Applications with Calculus, Global Edition

Jeffrey M. Perloff

(2017)

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Book Details

Abstract

For courses in microeconomics.

 

Exploring Microeconomics: Formal Theory and Practical Problems

Significantly revised and updated with new real-world examples, exercises, and applications, this Fourth Edition of Microeconomics: Theory and Applications with Calculus remains the premiere microeconomics text to marry formal theory with robust, thoroughly analyzed real-world problems.

 

Intended as an intermediate microeconomics text, Perloff introduces economic theory through a combination of calculus, algebra, and graphs. The text integrates estimated, real-world problems and applications, using a step-by-step approach to demonstrate how microeconomic theory can be applied to solve practical problems and policy issues. Compared to other similar texts, the author also places greater emphasis on using contemporary theories--such as game theory and contract theory--to analyze markets.

 

MyEconLab® not included. Students, if MyEconLab is a recommended/mandatory component of the course, please ask your instructor for the correct ISBN and course ID. MyEconLab should only be purchased when required by an instructor. Instructors, contact your Pearson representative for more information.


MyEconLab is an online homework, tutorial, and assessment product designed to personalize learning and improve results. With a wide range of interactive, engaging, and assignable activities, students are encouraged to actively learn and retain tough course concepts.


Table of Contents

Section Title Page Action Price
Cover\r Cover
Title Page\r 3
Copyright Page\r 4
Brief Contents\r 5
Contents\r 6
Preface 14
Chapter 1 Introduction 23
1.1 Microeconomics: The Allocation of Scarce Resources 23
Trade-Offs 24
Who Makes the Decisions 24
How Prices Determine Allocations 24
APPLICATION Twinkie Tax 25
1.2 Models 25
APPLICATION Income Threshold Model and China 25
Simplifications by Assumption 26
Testing Theories 27
Maximizing Subject to Constraints 27
Positive Versus Normative 28
1.3 Uses of Microeconomic Models 29
Summary\r 30
Chapter 2 Supply and Demand 31
CHALLENGE Quantities and Prices of Genetically Modified Foods 31
2.1 Demand 32
The Demand Function 33
Summing Demand Functions 37
APPLICATION Aggregating Corn Demand Curves 38
2.2 Supply 38
The Supply Function 39
Summing Supply Functions 41
How Government Import Policies Affect Supply Curves 41
2.3 Market Equilibrium 42
Finding the Market Equilibrium 43
Forces That Drive a Market to Equilibrium 44
2.4 Shocking the Equilibrium: Comparative Statics 45
Comparative Statics with Discrete (Relatively Large) Changes 46
APPLICATION Occupational Licensing 47
Comparative Statics with Small Changes 47
Solved Problem 2.1 49
Why the Shapes of Demand and Supply Curves Matter 50
2.5 Elasticities 51
Demand Elasticity 52
Solved Problem 2.2 52
APPLICATION The Demand Elasticities for Google Play and Apple Apps 53
Solved Problem 2.3 56
Supply Elasticity 57
Solved Problem 2.4 59
Long Run Versus Short Run 59
APPLICATION Oil Drilling in the Arctic National Wildlife Refuge 60
Solved Problem 2.5 61
2.6 Effects of a Sales Tax 63
Equilibrium Effects of a Specific Tax 63
The Same Equilibrium No Matter Who Is Taxed 65
Who Pays the Tax? 65
Solved Problem 2.6 67
APPLICATION Subsidizing Ethanol 68
The Similar Effects of Ad Valorem and Specific Taxes 68
2.7 Quantity Supplied Need Not Equal Quantity Demanded 69
Price Ceiling 70
APPLICATION Venezuelan Price Ceilings and Shortages 72
Price Floor 73
2.8 When to Use the Supply-and-Demand Model 74
CHALLENGE SOLUTION Quantities and Prices of Genetically Modified Foods 75
Summary 76
Exercises 77
Chapter 3 A Consumer’s Constrained Choice 83
CHALLENGE Why Americans Buy E-Books and Germans Do Not 83
3.1 Preferences 85
Properties of Consumer Preferences 85
APPLICATION You Can’t Have Too Much Money 86
Preference Maps 87
Indifference Curves 88
Solved Problem 3.1 90
3.2 Utility 90
Utility Function 90
Willingness to Substitute Between Goods 93
Solved Problem 3.2 95
APPLICATION MRS Between Recorded Tracks and Live Music 96
Curvature of Indifference Curves 96
Solved Problem 3.3 99
APPLICATION Indifference Curves Between Food and Clothing 100
3.3 Budget Constraint 100
3.4 Constrained Consumer Choice 102
Finding an Interior Solution Using Graphs 103
Solved Problem 3.4 105
Finding an Interior Solution Using Calculus 105
Solved Problem 3.5 107
Solved Problem 3.6 108
Solved Problem 3.7 110
APPLICATION Utility Maximization for Recorded Tracks and Live Music 110
Finding Corner Solutions 111
Minimizing Expenditure 115
Solved Problem 3.8 116
3.5 Behavioral Economics 117
Tests of Transitivity 118
Endowment Effect 118
APPLICATION Opt In Versus Opt Out 119
Salience 119
CHALLENGE SOLUTION Why Americans Buy E-Books and Germans Do Not 121
Summary 121
Exercises 122
Chapter 4 Demand 126
CHALLENGE Paying Employees to Relocate 126
4.1 Deriving Demand Curves 127
System of Demand Functions 127
Graphical Interpretation 129
APPLICATION Smoking Versus Eating and Phoning 131
4.2 Effects of an Increase in Income 132
How Income Changes Shift Demand Curves 132
Solved Problem 4.1 134
Consumer Theory and Income Elasticities 135
Solved Problem 4.2 136
APPLICATION Fast-Food Engel Curve 138
Solved Problem 4.3 140
4.3 Effects of a Price Increase 141
Income and Substitution Effects with a Normal Good 141
Solved Problem 4.4 143
APPLICATION Substituting Alcohol for Marijuana 144
Solved Problem 4.5 144
Income and Substitution Effects with an Inferior Good 145
Solved Problem 4.6 145
Compensated Demand Curve 146
Solved Problem 4.7 149
Slutsky Equation 149
4.4 Cost-of-Living Adjustment 151
Inflation Indexes 152
Effects of Inflation Adjustments 153
APPLICATION Reducing the CPI Substitution Bias 156
4.5 Revealed Preference 157
Recovering Preferences 157
Substitution Effect 158
CHALLENGE SOLUTION Paying Employees to Relocate 159
Summary 160
Exercises 161
Chapter 5 Consumer Welfare and Policy Analysis 164
CHALLENGE Per-Hour Versus Lump-Sum Childcare Subsidies 164
5.1 Uncompensated Consumer Welfare 165
Willingness to Pay 166
An Individual’s Consumer Surplus 166
APPLICATION Willingness to Pay and Consumer Surplus on eBay 168
Effect of a Price Change on Consumer Surplus 169
Solved Problem 5.1 169
Market Consumer Surplus 170
5.2 Compensated Consumer Welfare 171
Indifference Curve Analysis 171
APPLICATION Compensating Variation and Equivalent Variation for the Internet 173
Compensated Demand Curves and Consumer Welfare 174
Comparing the Three Welfare Measures 175
Solved Problem 5.2 177
5.3 Effects of Government Policies on Consumer Welfare 178
Quotas 178
Food Stamps 180
APPLICATION Food Stamps Versus Cash 182
5.4 Deriving Labor Supply Curves 182
Labor-Leisure Choice 182
Solved Problem 5.3 185
Income and Substitution Effects 186
Solved Problem 5.4 187
Shape of the Labor Supply Curve 188
APPLICATION Working After Winning the Lottery 189
Income Tax Rates and the Labor Supply Curve 189
Solved Problem 5.5 191
CHALLENGE SOLUTION Per-Hour Versus Lump-Sum Childcare Subsidies 193
Summary 194
Exercises 195
Chapter 6 Firms and Production 198
CHALLENGE Labor Productivity During Downturns 198
6.1 The Ownership and Management of Firms 199
Private, Public, and Nonprofit Firms 199
APPLICATION Chinese State-Owned Enterprises 200
The Ownership of For-Profit Firms 200
The Management of Firms 201
What Owners Want 201
6.2 Production 202
Production Functions 202
Time and the Variability of Inputs 202
6.3 Short-Run Production: One Variable and One Fixed Input 203
Solved Problem 6.1 204
Interpretation of Graphs 205
Solved Problem 6.2 207
Law of Diminishing Marginal Returns 208
APPLICATION Malthus and the Green Revolution 208
6.4 Long-Run Production: Two Variable Inputs 210
Isoquants 210
APPLICATION A Semiconductor Integrated Circuit Isoquant 213
Substituting Inputs 214
Solved Problem 6.3 215
Diminishing Marginal Rates of Technical Substitution 215
The Elasticity of Substitution 216
Solved Problem 6.4 218
6.5 Returns to Scale 218
Constant, Increasing, and Decreasing Returns to Scale 219
Solved Problem 6.5 220
APPLICATION Returns to Scale in Various Industries 220
Varying Returns to Scale 221
6.6 Productivity and Technical Change 222
Relative Productivity 222
APPLICATION A Good Boss Raises Productivity 223
Innovations 223
APPLICATION Tata Nano’s Technical and Organizational Innovations 224
CHALLENGE SOLUTION Labor Productivity During Downturns 225
Summary 226
Exercises 227
Chapter 7 Costs 231
CHALLENGE Technology Choice at Home Versus Abroad 231
7.1 Measuring Costs 232
Opportunity Costs 233
APPLICATION The Opportunity Cost of an MBA 233
Solved Problem 7.1 234
Opportunity Cost of Capital 234
Sunk Costs 235
7.2 Short-Run Costs 236
Short-Run Cost Measures 236
APPLICATION The Sharing Economy and the Short Run 237
Solved Problem 7.2 237
Short-Run Cost Curves 239
Production Functions and the Shape of Cost Curves 240
APPLICATION Short-Run Cost Curves for a Japanese Beer Manufacturer 242
Effects of Taxes on Costs 243
Short-Run Cost Summary 243
7.3 Long-Run Costs 244
Input Choice 245
Solved Problem 7.3 248
Solved Problem 7.4 250
How Long-Run Cost Varies with Output 252
Solved Problem 7.5 253
Solved Problem 7.6 255
The Shape of Long-Run Cost Curves 255
APPLICATION 3D Printing 256
Estimating Cost Curves Versus Introspection 257
7.4 Lower Costs in the Long Run 257
Long-Run Average Cost as the Envelope of Short-Run Average Cost Curves 257
APPLICATION Choosing an Inkjet or Laser Printer 259
Short-Run and Long-Run Expansion Paths 260
How Learning by Doing Lowers Costs 260
7.5 Cost of Producing Multiple Goods 262
APPLICATION Medical Economies of Scope 264
CHALLENGE SOLUTION Technology Choice at Home Versus Abroad 264
Summary 265
Exercises 266
Chapter 8 Competitive Firms and Markets 270
CHALLENGE The Rising Cost of Keeping On Truckin’ 270
8.1 Perfect Competition 271
Price Taking 271
Why a Firm’s Demand Curve Is Horizontal 272
Perfect Competition in the Chicago Commodity Exchange 273
Deviations from Perfect Competition 273
Derivation of a Competitive Firm’s Demand Curve 274
Why Perfect Competition Is Important 276
Solved Problem 8.1 276
8.2 Profit Maximization 276
Profit 277
Two Steps to Maximizing Profit 278
8.3 Competition in the Short Run 280
Short-Run Competitive Profit Maximization 281
Solved Problem 8.2 283
APPLICATION Fracking and Shutdowns 286
Short-Run Firm Supply Curve 287
Solved Problem 8.3 288
Short-Run Market Supply Curve 289
Short-Run Competitive Equilibrium 291
Solved Problem 8.4 292
8.4 Competition in the Long Run 293
Long-Run Competitive Profit Maximization 293
Long-Run Firm Supply Curve 293
APPLICATION The Size of Ethanol Processing Plants 294
Long-Run Market Supply Curve 295
APPLICATION Entry and Exit of Solar Power Firms 296
APPLICATION Upward-Sloping Long-Run Supply Curve for Cotton 298
APPLICATION Reformulated Gasoline Supply Curves 302
Solved Problem 8.5 303
Long-Run Competitive Equilibrium 304
CHALLENGE SOLUTION The Rising Cost of Keeping On Truckin’ 305
Summary 306
Exercises 307
Chapter 9 Properties and Applications of the Competitive Model 311
CHALLENGE Liquor Licenses 311
9.1 Zero Profit for Competitive Firms in the Long Run 312
Zero Long-Run Profit with Free Entry 312
Zero Long-Run Profit When Entry Is Limited 313
The Need to Maximize Profit 315
9.2 Producer Surplus 315
Measuring Producer Surplus Using a Supply Curve 315
Using Producer Surplus 317
Solved Problem 9.1 317
9.3 Competition Maximizes Welfare 318
Measuring Welfare 318
Why Producing Less Than the Competitive Output Lowers Welfare 319
Why Producing More Than the Competitive Output Lowers Welfare 320
APPLICATION The Deadweight Loss of Christmas Presents 322
9.4 Policies That Shift Supply Curves 323
APPLICATION Welfare Effects of Allowing Fracking 324
9.5 Policies That Create a Wedge Between Supply and Demand Curves 325
Welfare Effects of a Sales Tax 325
Welfare Effects of a Price Floor 327
Solved Problem 9.2 329
APPLICATION How Big Are Farm Subsidies and Who Gets Them? 330
Welfare Effects of a Price Ceiling 331
Solved Problem 9.3 332
APPLICATION The Social Cost of a Natural Gas Price Ceiling 333
9.6 Comparing Both Types of Policies: Trade 333
Free Trade Versus a Ban on Imports 334
Solved Problem 9.4 335
APPLICATION Russian Food Ban 336
Free Trade Versus a Tariff 336
Solved Problem 9.5 339
Free Trade Versus a Quota 340
Rent Seeking 340
CHALLENGE SOLUTION Liquor Licenses 341
Summary 343
Exercises 343
Chapter 10 General Equilibrium and Economic Welfare 348
CHALLENGE Anti-Price Gouging Laws 348
10.1 General Equilibrium 350
Competitive Equilibrium in Two Interrelated Markets 351
APPLICATION Partial-Equilibrium Versus Multimarket-Equilibrium Analysis in Corn and Soybean Markets 352
Minimum Wages with Incomplete Coverage 353
Solved Problem 10.1 355
APPLICATION Urban Flight 356
10.2 Trading Between Two People 356
Endowments 356
Mutually Beneficial Trades 358
Solved Problem 10.2 360
Deriving the Contract Curve 360
Solved Problem 10.3 361
Bargaining Ability 361
10.3 Competitive Exchange 361
Competitive Equilibrium 362
Solved Problem 10.4 364
The Efficiency of Competition 364
Obtaining Any Efficient Allocation Using Competition 364
10.4 Production and Trading 365
Comparative Advantage 365
Solved Problem 10.5 367
Efficient Product Mix 369
Competition 369
10.5 Efficiency and Equity 371
Role of the Government 371
APPLICATION The Wealthy Get Wealthier 372
Efficiency 374
Equity 375
Efficiency Versus Equity 378
Theory of the Second Best 379
CHALLENGE SOLUTION Anti-Price Gouging Laws 380
Summary 381
Exercises 382
Chapter 11 Monopoly and Monopsony 385
CHALLENGE Brand-Name and Generic Drugs 385
11.1 Monopoly Profit Maximization 386
The Necessary Condition for Profit Maximization 387
Marginal Revenue and the Demand Curves 387
Solved Problem 11.1 389
Marginal Revenue Curve and the Price Elasticity of Demand 389
An Example of Monopoly Profit Maximization 390
APPLICATION Apple’s iPad 392
Solved Problem 11.2 393
Choosing Price or Quantity 394
Effects of a Shift of the Demand Curve 395
APPLICATION Cable Cars and Profit Maximization 396
11.2 Market Power and Welfare 397
Market Power and the Shape of the Demand Curve 397
The Lerner Index 398
Solved Problem 11.3 398
Sources of Market Power 399
Effect of Market Power on Welfare 399
11.3 Taxes and Monopoly 401
Effects of a Specific Tax 401
Solved Problem 11.4 402
Welfare Effects of Ad Valorem Versus Specific Taxes 404
11.4 Causes of Monopolies 405
Cost Advantages 405
Solved Problem 11.5 407
Government Actions That Create Monopolies 407
APPLICATION The Botox Patent Monopoly 409
11.5 Government Actions That Reduce Market Power 410
Regulating Monopolies 410
Solved Problem 11.6 412
APPLICATION Natural Gas Regulation 414
Increasing Competition 415
APPLICATION Movie Studios Attacked by 3D Printers! 415
Solved Problem 11.7 416
11.6 Networks, Dynamics, and Behavioral Economics 416
Network Externalities 417
Network Externalities and Behavioral Economics 417
Network Externalities as an Explanation for Monopolies 418
APPLICATION Critical Mass and eBay 418
Introductory Prices: A Two-Period Monopoly Model 419
11.7 Monopsony 419
Monopsony Profit Maximization 420
Welfare Effects of Monopsony 422
Solved Problem 11.8 423
CHALLENGE SOLUTION Brand-Name and Generic Drugs 424
Summary 425
Exercises 426
Chapter 12 Pricing and Advertising 431
CHALLENGE Sale Price 431
12.1 Conditions for Price Discrimination 433
Why Price Discrimination Pays 433
Which Firms Can Price Discriminate 433
APPLICATION Disneyland Pricing 434
Preventing Resale 434
APPLICATION Preventing Resale of Designer Bags 435
Not All Price Differences Are Price Discrimination 435
Types of Price Discrimination 436
12.2 Perfect Price Discrimination 436
How a Firm Perfectly Price Discriminates 436
Solved Problem 12.1 438
Perfect Price Discrimination Is Efficient but Harms Some Consumers 439
APPLICATION Botox and Price Discrimination 441
Transaction Costs and Perfect Price Discrimination 442
APPLICATION Google Uses Bidding for Ads to Price Discriminate 442
12.3 Group Price Discrimination 442
APPLICATION Harry Potter Price Discrimination 443
Prices and Elasticities 444
APPLICATION Reselling Textbooks 445
Solved Problem 12.2 446
Identifying Groups 447
APPLICATION Buying Discounts 448
Solved Problem 12.3 449
Welfare Effects of Group Price Discrimination 449
12.4 Nonlinear Price Discrimination 450
12.5 Two-Part Pricing 452
Two-Part Pricing with Identical Consumers 453
Two-Part Pricing with Differing Consumers 454
APPLICATION Pricing iTunes 456
12.6 Tie-In Sales 456
Requirement Tie-In Sales 457
APPLICATION Ties That Bind 457
Bundling 457
12.7 Advertising 460
Deciding Whether to Advertise 461
How Much to Advertise 462
Solved Problem 12.4 463
APPLICATION Super Bowl Commercials 464
CHALLENGE SOLUTION Sale Price 464
Summary 466
Exercises 466
Chapter 13 Game Theory 471
CHALLENGE Intel and AMD’s Advertising Strategies 471
13.1 Static Games 473
Normal-Form Games 474
Failure to Maximize Joint Profits 477
APPLICATION Strategic Advertising 479
Multiple Equilibria 480
Solved Problem 13.1 481
Mixed Strategies 482
APPLICATION Tough Love 483
Solved Problem 13.2 484
13.2 Dynamic Games 484
Repeated Game 485
Sequential Game 486
Solved Problem 13.3 492
APPLICATION Keeping Out Casinos 492
13.3 Auctions 493
Elements of Auctions 493
Bidding Strategies in Private-Value Auctions 494
Winner’s Curse 496
APPLICATION Bidder’s Curse 496
13.4 Behavioral Game Theory 497
APPLICATION GM’s Ultimatum 497
CHALLENGE SOLUTION Intel and AMD’s Advertising Strategies 498
Summary 499
Exercises 500
Chapter 14 Oligopoly and Monopolistic Competition 505
CHALLENGE Government Aircraft Subsidies 505
14.1 Market Structures 507
14.2 Cartels 508
Why Cartels Form 509
Why Cartels Fail 510
Laws Against Cartels 511
APPLICATION The Apple-Google-Intel-Adobe-Intuit-Lucasfilms-Pixar Wage Cartel 512
Maintaining Cartels 513
APPLICATION Cheating on the Maple Syrup Cartel 514
Mergers 515
APPLICATION Mergers to Monopolize 515
14.3 Cournot Oligopoly Model 515
The Duopoly Nash-Cournot Equilibrium 516
The Cournot Model with Many Firms 520
APPLICATION Mobile Number Portability 523
The Cournot Model with Nonidentical Firms 524
Solved Problem 14.1 524
Solved Problem 14.2 526
APPLICATION Bottled Water 527
14.4 Stackelberg Oligopoly Model 527
Calculus Solution 528
Graphical Solution 529
Why Moving Sequentially Is Essential 529
Strategic Trade Policy: An Application of the Stackelberg Model 530
Solved Problem 14.3 533
Comparison of Collusive, Nash-Cournot, Stackelberg, and Competitive Equilibria 534
APPLICATION Deadweight Losses in the Food and Tobacco Industries 536
14.5 Bertrand Oligopoly Model 536
Nash-Bertrand Equilibrium with Identical Products 537
Nash-Bertrand Equilibrium with Differentiated Products 539
14.6 Monopolistic Competition 542
Monopolistically Competitive Equilibrium 543
Fixed Costs and the Number of Firms 544
Solved Problem 14.4 545
APPLICATION Zoning Laws as a Barrier to Entry by Hotel Chains 546
CHALLENGE SOLUTION Government Aircraft Subsidies 546
Summary 548
Exercises 548
Chapter 15 Factor Markets 554
CHALLENGE Does Going to College Pay? 554
15.1 Factor Markets 555
A Firm’s Short-Run Factor Demand Curve 555
Solved Problem 15.1 558
A Firm’s Long-Run Factor Demand Curves 560
Competitive Factor Markets 562
APPLICATION Black Death Raises Wages 564
Solved Problem 15.2 565
15.2 Capital Markets and Investing 565
Interest Rates 566
Discount Rate 567
Stream of Payments 567
APPLICATION Saving for Retirement 568
Investing 569
Solved Problem 15.3 571
Solved Problem 15.4 572
Durability 572
APPLICATION Durability of Telephone Poles 572
Time-Varying Discounting 573
APPLICATION Falling Discount Rates and Self-Control 575
Capital Markets, Interest Rates, and Investments 575
Solved Problem 15.5 576
15.3 Exhaustible Resources 576
When to Sell an Exhaustible Resource 577
Price of a Scarce Exhaustible Resource 577
APPLICATION Redwood Trees 580
Why Price Might Not Rise 581
CHALLENGE SOLUTION Does Going to College Pay? 583
Summary 585
Exercises 585
Chapter 16 Uncertainty 589
CHALLENGE BP and Limited Liability 589
16.1 Assessing Risk 590
Probability 591
Expected Value 592
Solved Problem 16.1 593
Variance and Standard Deviation 594
16.2 Attitudes Toward Risk\r 595
Expected Utility Theory 595
Risk Aversion 596
Solved Problem 16.2 598
Solved Problem 16.3 598
Risk Neutrality 599
Risk Preference 599
APPLICATION Gambling 600
Degree of Risk Aversion 601
Solved Problem 16.4 603
16.3 Reducing Risk 603
Just Say No 604
Obtaining Information 604
Diversification 604
APPLICATION Failure to Diversify 606
Insurance 607
Solved Problem 16.5 608
APPLICATION Flight Insurance 609
APPLICATION Limited Insurance for Natural Disasters 610
16.4 Investing Under Uncertainty 611
How Investing Depends on Attitudes Toward Risk 611
Investing with Uncertainty and Discounting 613
Solved Problem 16.6 613
16.5 Behavioral Economics and Uncertainty 614
Biased Assessment of Probabilities 614
APPLICATION Biased Estimates 615
Violations of Expected Utility Theory 616
Prospect Theory 617
APPLICATION Loss Aversion Contracts 619
CHALLENGE SOLUTION BP and Limited Liability 619
Summary 621
Exercises 621
Chapter 17 Property Rights, Externalities, Rivalry, and Exclusion 625
CHALLENGE Trade and Pollution 625
17.1 Externalities 626
17.2 The Inefficiency of Competition with Externalities 627
Supply-and-Demand Analysis 627
Cost-Benefit Analysis 630
APPLICATION Spam: A Negative Externality 631
17.3 Regulating Externalities 632
Emissions Standard 633
APPLICATION Reducing Pulp and Paper Mill Pollution 634
Emissions Fee 634
Solved Problem 17.1 635
APPLICATION Why Tax Drivers 636
Benefits Versus Costs from Controlling Pollution 636
APPLICATION Protecting Babies 637
Emissions Fees Versus Standards Under Uncertainty 637
17.4 Market Structure and Externalities 638
Monopoly and Externalities 639
Monopoly Versus Competitive Welfare with Externalities 639
Solved Problem 17.2 640
Taxing Externalities in Noncompetitive Markets 641
17.5 Allocating Property Rights to Reduce Externalities 641
Coase Theorem 641
APPLICATION Buying a Town 643
Markets for Pollution 643
APPLICATION Acid Rain Program 644
17.6 Rivalry and Exclusion 644
Open-Access Common Property 645
Club Goods 646
APPLICATION Microsoft Word Piracy 646
Public Goods 647
Solved Problem 17.3 651
Reducing Free Riding 651
Valuing Public Goods 651
APPLICATION What’s Their Beef? 653
CHALLENGE SOLUTION Trade and Pollution 653
Summary 654
Exercises 655
Chapter 18 Asymmetric Information 659
CHALLENGE Dying to Work 659
18.1 Adverse Selection 661
Insurance Markets 661
Products of Unknown Quality 662
Solved Problem 18.1 664
Lemons Market with Variable Quality 665
Solved Problem 18.2 665
18.2 Reducing Adverse Selection 666
Equalizing Information 666
APPLICATION Discounts for Data 667
APPLICATION Adverse Selection and Remanufactured Goods 668
Laws to Prevent Opportunism 669
18.3 Market Power from Price Ignorance 670
Tourist-Trap Model 670
Solved Problem 18.3 672
Advertising and Prices 672
18.4 Problems Arising from Ignorance When Hiring 673
Cheap Talk 673
APPLICATION Cheap Talk in eBay’s Best Offer Market 675
Education as a Signal 675
Pooling Equilibrium 676
Solved Problem 18.4 676
Screening in Hiring 679
CHALLENGE SOLUTION Dying to Work 680
Summary 681
Exercises 682
Chapter 19 Contracts and Moral Hazards 685
CHALLENGE Clawing Back Bonuses 685
19.1 Principal-Agent Problem 687
A Model 687
Types of Contracts 688
Efficiency 688
Solved Problem 19.1 689
APPLICATION Honest Cabbie? 690
19.2 Production Efficiency 691
Efficient Contract 691
Full Information 692
Solved Problem 19.2 695
Asymmetric Information 696
APPLICATION Sing for Your Supper 697
19.3 Trade-Off Between Efficiency in Production and in Risk Bearing 698
Contracts and Efficiency 698
Solved Problem 19.3 699
Choosing the Best Contract 700
APPLICATION Health Insurance and Moral Hazard 701
Solved Problem 19.4 702
19.4 Monitoring to Reduce Moral Hazard 703
Bonding 703
Solved Problem 19.5 704
APPLICATION Capping Oil and Gas Bankruptcies 705
Deferred Payments 706
Efficiency Wages 706
After-the-Fact Monitoring 707
19.5 Contract Choice 708
19.6 Checks on Principals 709
APPLICATION Layoffs Versus Pay Cuts 709
CHALLENGE SOLUTION Clawing Back Bonuses 711
Summary 712
Exercises 713
Answers to Selected Exercises 717
Definitions 738
References 744
Sources for Challenges and Applications 753
Index 761
A\r 761
B\r 762
C\r 762
D\r 765
E\r 766
F\r 767
G\r 767
H\r 768
I\r 768
J\r 769
K\r 769
L\r 769
M\r 770
N\r 771
O\r 772
P\r 772
Q\r 775
R\r 775
S\r 775
T\r 777
U\r 778
V\r 779
W\r 779
Z\r 779
Credits 780