International Economics: Theory & Policy, 12th Edition
By Paul R Krugman, Maurice Obstfeld and Marc J Melitz
Contents:
Preface…………………………………………………………………………………………………………………19
1 Introduction 27
What Is International Economics About?……………………………………………………………………29
The Gains from Trade………………………………………………………………………………………………. 30
The Pattern of Trade………………………………………………………………………………………………… 31
How Much Trade?……………………………………………………………………………………………………. 31
Balance of Payments………………………………………………………………………………………………… 32
Exchange Rate Determination…………………………………………………………………………………… 33
International Policy Coordination………………………………………………………………………………. 33
The International Capital Market……………………………………………………………………………….. 34
International Economics: Trade and Money………………………………………………………………..35
PART 1 International Trade Theory 36
2 World Trade: An Overview 36
Who Trades with Whom?…………………………………………………………………………………………36
Size Matters: The Gravity Model……………………………………………………………………………….. 37
Using the Gravity Model: Looking for Anomalies………………………………………………………… 39
Impediments to Trade: Distance, Barriers, and Borders…………………………………………………. 40
The Changing Pattern of World Trade……………………………………………………………………….42
Has the World Gotten Smaller?………………………………………………………………………………….. 42
What Do We Trade?…………………………………………………………………………………………………. 44
Service Offshoring……………………………………………………………………………………………………. 46
Do Old Rules Still Apply?………………………………………………………………………………………..47
Summary………………………………………………………………………………………………………………48
3 Labor Productivity and Comparative Advantage: The Ricardian Model 50
The Concept of Comparative Advantage……………………………………………………………………..51
A One-Factor Economy…………………………………………………………………………………………..52
Production Possibilities…………………………………………………………………………………………….. 53
Relative Prices and Supply………………………………………………………………………………………… 54
Trade in a One-Factor World……………………………………………………………………………………55
Determining the Relative Price after Trade…………………………………………………………………… 56
box: Comparative Advantage in Practice: The Case of Usain Bolt…………………………………..59
The Gains from Trade………………………………………………………………………………………………. 60
A Note on Relative Wages…………………………………………………………………………………………. 61
box: Economic Isolation and Autarky Over Time and Over Space…………………………………..62
Misconceptions about Comparative Advantage…………………………………………………………….63
Productivity and Competitiveness………………………………………………………………………………. 63
box: Do Wages Reflect Productivity?…………………………………………………………………………64
The Pauper Labor Argument…………………………………………………………………………………….. 65
Exploitation……………………………………………………………………………………………………………. 65
Comparative Advantage with Many Goods………………………………………………………………….66
Setting Up the Model……………………………………………………………………………………………….. 66
Relative Wages and Specialization………………………………………………………………………………. 66
Determining the Relative Wage in the Multigood Model……………………………………………….. 68
Adding Transport Costs and Nontraded Goods…………………………………………………………….70
Empirical Evidence on the Ricardian Model………………………………………………………………..71
Summary………………………………………………………………………………………………………………73
4 Specific Factors and Income Distribution 77
The Specific Factors Model………………………………………………………………………………………78
box: What is a Specific Factor?…………………………………………………………………………………79
Assumptions of the Model………………………………………………………………………………………… 79
Production Possibilities…………………………………………………………………………………………….. 80
Prices, Wages, and Labor Allocation…………………………………………………………………………… 83
Relative Prices and the Distribution of Income…………………………………………………………….. 87
International Trade in the Specific Factors Model………………………………………………………..89
Income Distribution and the Gains from Trade…………………………………………………………….90
The Political Economy of Trade: A Preliminary View……………………………………………………93
The Politics of Trade Protection…………………………………………………………………………………. 94
Trade and Unemployment…………………………………………………………………………………………. 95
case study: U.S. Manufacturing Employment and Chinese Import Competition…………………..96
box: The Trump Trade War……………………………………………………………………………………..98
International Labor Mobility……………………………………………………………………………………99
case study: Wage and Social Benefits Convergence: Migrant Mobility in China……………….. 101
case study: Immigration and the U.S. Economy………………………………………………………….. 103
Summary……………………………………………………………………………………………………………. 105
Appendix to chapter 4: Further Details on Specific Factors……………………………………….. 110
Marginal and Total Product…………………………………………………………………………………….. 110
Relative Prices and the Distribution of Income…………………………………………………………… 111
5 Resources and Trade: The Heckscher-Ohlin Model 113
Model of a Two-Factor Economy……………………………………………………………………………. 114
Prices and Production…………………………………………………………………………………………….. 114
Choosing the Mix of Inputs…………………………………………………………………………………….. 117
Factor Prices and Goods Prices………………………………………………………………………………… 119
Resources and Output…………………………………………………………………………………………….. 122
Effects of International Trade between Two-Factor Economies…………………………………….. 123
Relative Prices and the Pattern of Trade…………………………………………………………………….. 124
Trade and the Distribution of Income……………………………………………………………………….. 125
case study: North-South Trade and Income Inequality………………………………………………… 126
Skill-Biased Technological Change and Income Inequality…………………………………………… 128
box: The Declining Labor Share of Income and Capital-Skill Complementarity……………… 132
Factor-Price Equalization………………………………………………………………………………………… 133
Empirical Evidence on the Heckscher-Ohlin Model……………………………………………………. 135
Trade in Goods as a Substitute for Trade in Factors: Factor Content of Trade………………… 135
Patterns of Exports between Developed and Developing Countries……………………………….. 138
Implications of the Tests…………………………………………………………………………………………. 141
Summary……………………………………………………………………………………………………………. 141
Appendix to chapter 5: Factor Prices, Goods Prices, and Production Decisions…………….. 145
Choice of Technique………………………………………………………………………………………………. 145
Goods Prices and Factor Prices………………………………………………………………………………… 146
More on Resources and Output……………………………………………………………………………….. 147
6 The Standard Trade Model 149
A Standard Model of a Trading Economy………………………………………………………………… 150
Production Possibilities and Relative Supply………………………………………………………………. 150
Relative Prices and Demand…………………………………………………………………………………….. 151
The Welfare Effect of Changes in the Terms of Trade………………………………………………….. 154
box: U.S. Consumer Gains from Chinese Imports………………………………………………………. 155
Determining Relative Prices…………………………………………………………………………………….. 155
Economic Growth: A Shift of the RS Curve………………………………………………………………. 157
Growth and the Production Possibility Frontier………………………………………………………….. 157
World Relative Supply and the Terms of Trade…………………………………………………………… 159
International Effects of Growth……………………………………………………………………………….. 159
case study: Has the Growth of Newly Industrialized Economies Hurt Advanced
Nations?…………………………………………………………………………………………………………. 161
box: The Exposure of Developing Countries to Terms of Trade Shocks and
the COVID-19 Pandemic…………………………………………………………………………………… 163
Tariffs and Export Subsidies: Simultaneous Shifts in RS and RD…………………………………. 163
Relative Demand and Supply Effects of a Tariff…………………………………………………………. 164
Effects of an Export Subsidy……………………………………………………………………………………. 165
Implications of Terms of Trade Effects: Who Gains and Who Loses?…………………………….. 165
International Borrowing and Lending………………………………………………………………………. 167
Intertemporal Production Possibilities and Trade………………………………………………………… 167
The Real Interest Rate…………………………………………………………………………………………….. 168
Intertemporal Comparative Advantage……………………………………………………………………… 169
Summary……………………………………………………………………………………………………………. 170
Appendix to chapter 6: More on Intertemporal Trade………………………………………………. 174
7 External Economies of Scale and the International Location of Production 177
Economies of Scale and International Trade: An Overview………………………………………….. 178
Economies of Scale and Market Structure………………………………………………………………… 179
The Theory of External Economies…………………………………………………………………………. 180
Specialized Suppliers……………………………………………………………………………………………. 180
Labor Market Pooling………………………………………………………………………………………….. 181
Knowledge Spillovers…………………………………………………………………………………………….. 182
External Economies and Market Equilibrium…………………………………………………………….. 183
External Economies and International Trade…………………………………………………………….. 184
External Economies, Output, and Prices……………………………………………………………………. 184
External Economies and the Pattern of Trade…………………………………………………………….. 185
Trade and Welfare with External Economies………………………………………………………………. 187
box: Holding the World Together……………………………………………………………………………. 188
Dynamic Increasing Returns……………………………………………………………………………………. 189
Interregional Trade and Economic Geography…………………………………………………………… 190
box: The City and the Street………………………………………………………………………………….. 192
Summary……………………………………………………………………………………………………………. 193
8 Firms in the Global Economy: Export and Foreign Sourcing Decisions and
Multinational Enterprises 196
The Theory of Imperfect Competition……………………………………………………………………… 197
Monopoly: A Brief Review……………………………………………………………………………………… 198
Monopolistic Competition………………………………………………………………………………………. 200
Monopolistic Competition and Trade………………………………………………………………………. 205
The Effects of Increased Market Size………………………………………………………………………… 205
Gains from an Integrated Market: A Numerical Example…………………………………………….. 207
The Significance of Intra-Industry Trade…………………………………………………………………… 210
case study: Automobile Intra-Industry Trade within ASEAN-4: 1998–2002…………………….. 212
Firm Responses to Trade: Winners, Losers, and Industry Performance………………………….. 213
Performance Differences across Producers…………………………………………………………………. 214
The Effects of Increased Market Size………………………………………………………………………… 216
Trade Costs and Export Decisions…………………………………………………………………………… 217
Dumping…………………………………………………………………………………………………………….. 220
case study: Antidumping as Protectionism………………………………………………………………… 221
Multinationals and Foreign Direct Investment…………………………………………………………… 222
Patterns of Foreign Direct Investment Flows around the World……………………………………. 224
case study: COVID-19 and Foreign Direct Investment Flows around the World……………….. 226
Foreign Direct Investment and Foreign Sourcing Decisions………………………………………….. 229
The Horizontal FDI Decision………………………………………………………………………………….. 229
The Foreign Sourcing Decision………………………………………………………………………………… 230
The Outsourcing Decision: Make or Buy…………………………………………………………………… 231
box: Whose Trade Is It?………………………………………………………………………………………… 232
case study: Shipping Jobs Overseas? Offshoring and Labor Market Outcomes
in Germany…………………………………………………………………………………………………………… 233
Consequences of Multinationals and Foreign Outsourcing…………………………………………… 235
Summary……………………………………………………………………………………………………………. 236
Appendix to chapter 8: Determining Marginal Revenue……………………………………………. 241
PART 2 International Trade Policy 242
9 The Instruments of Trade Policy 242
Basic Tariff Analysis……………………………………………………………………………………………. 242
Supply, Demand, and Trade in a Single Industry………………………………………………………… 243
Effects of a Tariff…………………………………………………………………………………………………… 245
Measuring the Amount of Protection……………………………………………………………………….. 246
Costs and Benefits of a Tariff………………………………………………………………………………… 248
Consumer and Producer Surplus………………………………………………………………………………. 248
Measuring the Costs and Benefits…………………………………………………………………………….. 250
case study: Winners and Losers of the Trump Trade War…………………………………………….. 253
box: Tariffs and Retaliation…………………………………………………………………………………… 257
Other Instruments of Trade Policy………………………………………………………………………….. 258
Export Subsidies: Theory………………………………………………………………………………………… 258
box: The Unfriendly Skies: Settling the Longest Running Trade Dispute……………………….. 259
Import Quotas: Theory…………………………………………………………………………………………… 259
case study: Tariff-Rate Quota Origin and its Application in Practice with Oilseeds…………… 260
Voluntary Export Restraints……………………………………………………………………………………. 264
Local Content Requirements……………………………………………………………………………………. 265
box: Healthcare Protection with Local Content Requirements……………………………………… 266
Other Trade Policy Instruments……………………………………………………………………………….. 267
The Effects of Trade Policy: A Summary…………………………………………………………………. 267
Summary……………………………………………………………………………………………………………. 268
Appendix to chapter 9: Tariffs and Import Quotas in the Presence of Monopoly…………… 272
The Model with Free Trade……………………………………………………………………………………… 272
The Model with a Tariff………………………………………………………………………………………….. 273
The Model with an Import Quota…………………………………………………………………………….. 274
Comparing a Tariff and a Quota………………………………………………………………………………. 274
10 The Political Economy of Trade Policy 276
The Case for Free Trade……………………………………………………………………………………….. 277
Free Trade and Efficiency………………………………………………………………………………………… 277
Additional Gains from Free Trade……………………………………………………………………………. 278
Rent Seeking…………………………………………………………………………………………………………. 279
Political Argument for Free Trade…………………………………………………………………………….. 279
National Welfare Arguments against Free Trade……………………………………………………….. 280
The Terms of Trade Argument for a Tariff………………………………………………………………… 280
The Domestic Market Failure Argument against Free Trade…………………………………………. 281
How Convincing Is the Market Failure Argument?……………………………………………………… 283
Income Distribution and Trade Policy……………………………………………………………………… 284
Electoral Competition…………………………………………………………………………………………….. 285
Collective Action……………………………………………………………………………………………………. 286
box: Politicians for Sale: Evidence from the 1990s……………………………………………………… 287
Modeling the Political Process………………………………………………………………………………….. 288
Who Gets Protected?………………………………………………………………………………………………. 288
International Negotiations and Trade Policy…………………………………………………………….. 290
The Advantages of Negotiation……………………………………………………………………………….. 290
International Trade Agreements: A Brief History……………………………………………………….. 292
The Uruguay Round………………………………………………………………………………………………. 294
Trade Liberalization……………………………………………………………………………………………….. 294
Administrative Reforms: From the GATT to the WTO………………………………………………… 295
Benefits and Costs………………………………………………………………………………………………….. 296
box: Settling a Dispute—and Creating One………………………………………………………………. 297
case study: Testing the WTO’s Metal……………………………………………………………………….. 298
The End of Trade Agreements?………………………………………………………………………………. 299
box: Do Agricultural Subsidies Hurt the Third World?………………………………………………… 300
Preferential Trading Agreements………………………………………………………………………………. 301
box: Free Trade Area Versus Customs Union…………………………………………………………….. 303
box: Brexit…………………………………………………………………………………………………………. 304
case study: Trade Diversion in South America……………………………………………………………. 304
The Trans-Pacific Partnership………………………………………………………………………………….. 305
Summary……………………………………………………………………………………………………………. 306
Appendix to chapter 10: Proving That the Optimum Tariff Is Positive………………………… 310
Demand and Supply……………………………………………………………………………………………….. 310
The Tariff and Prices………………………………………………………………………………………………. 310
The Tariff and Domestic Welfare……………………………………………………………………………… 311
11 Trade Policy in Developing Countries 313
Import-Substituting Industrialization………………………………………………………………………. 314
The Infant Industry Argument…………………………………………………………………………………. 314
Promoting Manufacturing through Protection……………………………………………………………. 316
case study: Export-Led Strategy……………………………………………………………………………… 318
Results of Favoring Manufacturing: Problems of Import-Substituting
Industrialization………………………………………………………………………………………………. 319
Trade Liberalization since 1985………………………………………………………………………………. 320
Trade and Growth: Takeoff in Asia…………………………………………………………………………. 322
box: India’s Boom………………………………………………………………………………………………… 324
Summary……………………………………………………………………………………………………………. 325
12 Controversies in Trade Policy 327
Sophisticated Arguments for Activist Trade Policy…………………………………………………….. 328
Technology and Externalities…………………………………………………………………………………… 328
Imperfect Competition and Strategic Trade Policy………………………………………………………. 331
box: A Warning From Intel’s Founder……………………………………………………………………… 333
case study: When the Chips Were Up……………………………………………………………………….. 334
Globalization and Low-Wage Labor………………………………………………………………………… 336
The Anti-Globalization Movement…………………………………………………………………………… 336
Trade and Wages Revisited………………………………………………………………………………………. 337
Labor Standards and Trade Negotiations…………………………………………………………………… 339
Environmental and Cultural Issues……………………………………………………………………………. 339
The WTO and National Independence………………………………………………………………………. 340
case study: A Tragedy in Bangladesh……………………………………………………………………….. 341
Globalization and the Environment………………………………………………………………………….. 342
Globalization, Growth, and Pollution……………………………………………………………………….. 342
The Problem of “Pollution Havens”………………………………………………………………………….. 344
The Carbon Tariff Dispute………………………………………………………………………………………. 345
Trade Shocks and Their Impact on Communities……………………………………………………….. 346
Summary……………………………………………………………………………………………………………. 347
PART 3 Exchange Rates and Open-Economy Macroeconomics 350
13 National Income Accounting and the Balance of Payments 350
The National Income Accounts………………………………………………………………………………. 352
National Product and National Income……………………………………………………………………… 353
Capital Depreciation and International Transfers………………………………………………………… 354
Gross Domestic Product…………………………………………………………………………………………. 355
National Income Accounting for an Open Economy……………………………………………………. 355
Consumption………………………………………………………………………………………………………… 355
Investment…………………………………………………………………………………………………………….. 355
Government Purchases……………………………………………………………………………………………. 356
The National Income Identity for an Open Economy………………………………………………….. 356
An Imaginary Open Economy………………………………………………………………………………….. 357
The Current Account and Foreign Indebtedness…………………………………………………………. 357
Saving and the Current Account………………………………………………………………………………. 360
Private and Government Saving……………………………………………………………………………….. 361
box: The Mystery of the Missing Deficit………………………………………………………………….. 361
The Balance of Payments Accounts…………………………………………………………………………. 363
Examples of Paired Transactions……………………………………………………………………………… 364
The Fundamental Balance of Payments Identity…………………………………………………………. 365
The Current Account, Once Again……………………………………………………………………………. 366
The Capital Account………………………………………………………………………………………………. 367
The Financial Account……………………………………………………………………………………………. 368
Statistical Discrepancy……………………………………………………………………………………………. 368
box: Multinationals’ Profit Shifting and Ireland’s Volatile GDP…………………………………… 369
Official Reserve Transactions…………………………………………………………………………………… 371
case study: The Assets and Liabilities of the World’s Biggest Debtor……………………………… 372
Summary……………………………………………………………………………………………………………. 377
14 Exchange Rates and the Foreign Exchange Market: An Asset Approach 381
Exchange Rates and International Transactions………………………………………………………… 382
Domestic and Foreign Prices……………………………………………………………………………………. 382
Exchange Rates and Relative Prices…………………………………………………………………………… 384
The Foreign Exchange Market……………………………………………………………………………….. 385
The Actors……………………………………………………………………………………………………………. 385
Characteristics of the Market…………………………………………………………………………………… 387
Spot Rates and Forward Rates…………………………………………………………………………………. 388
Foreign Exchange Swaps…………………………………………………………………………………………. 390
Futures and Options………………………………………………………………………………………………. 390
The Demand for Foreign Currency Assets…………………………………………………………………. 390
Assets and Asset Returns………………………………………………………………………………………… 391
Risk and Liquidity…………………………………………………………………………………………………. 392
Interest Rates………………………………………………………………………………………………………… 393
Exchange Rates and Asset Returns…………………………………………………………………………… 393
A Simple Rule……………………………………………………………………………………………………….. 395
Return, Risk, and Liquidity in the Foreign Exchange Market……………………………………….. 396
Equilibrium in the Foreign Exchange Market……………………………………………………………. 397
Interest Parity: The Basic Equilibrium Condition……………………………………………………….. 397
How Changes in the Current Exchange Rate Affect Expected Returns…………………………… 398
The Equilibrium Exchange Rate………………………………………………………………………………. 401
Interest Rates, Expectations, and Equilibrium…………………………………………………………….. 402
The Effect of Changing Interest Rates on the Current Exchange Rate……………………………. 403
The Effect of Changing Expectations on the Current Exchange Rate…………………………….. 404
case study: What Explains the Carry Trade?……………………………………………………………… 405
Forward Exchange Rates and Covered Interest Parity………………………………………………… 408
Summary……………………………………………………………………………………………………………. 411
15 Money, Interest Rates, and Exchange Rates 417
Money Defined: A Brief Review……………………………………………………………………………… 418
Money as a Medium of Exchange…………………………………………………………………………….. 418
Money as a Unit of Account……………………………………………………………………………………. 418
Money as a Store of Value………………………………………………………………………………………. 419
What Is Money?…………………………………………………………………………………………………….. 419
How the Money Supply Is Determined……………………………………………………………………… 419
The Demand for Money by Individuals…………………………………………………………………….. 420
Expected Return…………………………………………………………………………………………………….. 420
Risk……………………………………………………………………………………………………………………… 421
Liquidity………………………………………………………………………………………………………………. 421
Aggregate Money Demand…………………………………………………………………………………….. 421
The Equilibrium Interest Rate: The Interaction of Money Supply
and Demand……………………………………………………………………………………………………. 423
Equilibrium in the Money Market……………………………………………………………………………. 424
Interest Rates and the Money Supply………………………………………………………………………… 425
Output and the Interest Rate……………………………………………………………………………………. 426
The Money Supply and the Exchange Rate in the Short Run……………………………………….. 427
Linking Money, the Interest Rate, and the Exchange Rate……………………………………………. 427
U.S. Money Supply and the Dollar/Euro Exchange Rate……………………………………………… 430
Europe’s Money Supply and the Dollar/Euro Exchange Rate……………………………………….. 430
Money, the Price Level, and the Exchange Rate in the Long Run………………………………….. 433
Money and Money Prices………………………………………………………………………………………… 433
The Long-Run Effects of Money Supply Changes………………………………………………………. 434
Empirical Evidence on Money Supplies and Price Levels……………………………………………… 435
Money and the Exchange Rate in the Long Run…………………………………………………………. 436
Inflation and Exchange Rate Dynamics……………………………………………………………………. 437
Short-Run Price Rigidity versus Long-Run Price Flexibility…………………………………………. 437
box: Money Supply Growth and Hyperinflation in Zimbabwe………………………………………. 439
Permanent Money Supply Changes and the Exchange Rate…………………………………………. 442
Exchange Rate Overshooting…………………………………………………………………………………… 443
case study: Inflation Targeting and Exchange Rate in Emerging Countries……………………… 445
Summary……………………………………………………………………………………………………………. 448
16 Price Levels and the Exchange Rate in the Long Run 452
The Law of One Price…………………………………………………………………………………………… 453
Purchasing Power Parity……………………………………………………………………………………….. 454
The Relationship between PPP and the Law of One Price…………………………………………….. 454
Absolute PPP and Relative PPP……………………………………………………………………………….. 455
A Long-Run Exchange Rate Model Based on PPP…………………………………………………….. 456
The Fundamental Equation of the Monetary Approach………………………………………………. 456
Ongoing Inflation, Interest Parity, and PPP……………………………………………………………….. 458
The Fisher Effect……………………………………………………………………………………………………. 459
Empirical Evidence on PPP and the Law of One Price……………………………………………….. 462
Explaining the Problems with PPP…………………………………………………………………………. 464
Trade Barriers and Nontradables……………………………………………………………………………… 464
Departures from Free Competition…………………………………………………………………………… 465
Differences in Consumption Patterns and Price Level Measurement………………………………. 466
box: Measuring And Comparing Countries’ Wealth Worldwide: The International
Comparison Program (ICP)……………………………………………………………………………… 466
PPP in the Short Run and in the Long Run………………………………………………………………… 469
case study: Why Price Levels Are Lower in Poorer Countries……………………………………….. 470
Beyond Purchasing Power Parity: A General Model of Long-Run Exchange Rates………….. 472
The Real Exchange Rate………………………………………………………………………………………….. 472
Demand, Supply, and the Long-Run Real Exchange Rate…………………………………………….. 474
box: Sticky Prices and the Law of One Price: Evidence from Scandinavian Duty-Free
Shops…………………………………………………………………………………………………………….. 475
Nominal and Real Exchange Rates in Long-Run Equilibrium………………………………………. 477
International Interest Rate Differences and the Real Exchange Rate…………………………….. 480
Real Interest Parity………………………………………………………………………………………………. 481
Summary……………………………………………………………………………………………………………. 482
Appendix to chapter 16: The Fisher Effect, the Interest Rate, and the Exchange
Rate under the Flexible-Price Monetary Approach…………………………………………………. 487
17 Output and the Exchange Rate in the Short Run 490
Determinants of Aggregate Demand in an Open Economy………………………………………….. 491
Determinants of Consumption Demand……………………………………………………………………. 491
Determinants of the Current Account………………………………………………………………………. 492
How Real Exchange Rate Changes Affect the Current Account…………………………………….. 493
How Disposable Income Changes Affect the Current Account……………………………………… 494
The Equation of Aggregate Demand……………………………………………………………………….. 494
The Real Exchange Rate and Aggregate Demand……………………………………………………….. 494
Real Income and Aggregate Demand………………………………………………………………………… 495
How Output Is Determined in the Short Run…………………………………………………………….. 496
Output Market Equilibrium in the Short Run: The DD Schedule………………………………….. 497
Output, the Exchange Rate, and Output Market Equilibrium……………………………………….. 497
Deriving the DD Schedule……………………………………………………………………………………….. 498
Factors That Shift the DD Schedule………………………………………………………………………….. 499
Asset Market Equilibrium in the Short Run: The AA Schedule…………………………………….. 502
Output, the Exchange Rate, and Asset Market Equilibrium………………………………………….. 502
Deriving the AA Schedule……………………………………………………………………………………….. 504
Factors That Shift the AA Schedule………………………………………………………………………….. 504
Short-Run Equilibrium for an Open Economy: Putting the DD and AA
Schedules Together…………………………………………………………………………………………… 505
Temporary Changes in Monetary and Fiscal Policy……………………………………………………. 507
Monetary Policy…………………………………………………………………………………………………….. 508
Fiscal Policy………………………………………………………………………………………………………….. 508
Policies to Maintain Full Employment………………………………………………………………………. 509
Inflation Bias and Other Problems of Policy Formulation……………………………………………. 511
Permanent Shifts in Monetary and Fiscal Policy……………………………………………………….. 512
A Permanent Increase in the Money Supply………………………………………………………………. 512
Adjustment to a Permanent Increase in the Money Supply…………………………………………… 513
A Permanent Fiscal Expansion………………………………………………………………………………… 515
Macroeconomic Policies and the Current Account……………………………………………………… 516
Gradual Trade Flow Adjustment and Current Account Dynamics…………………………………. 518
The J-Curve………………………………………………………………………………………………………….. 518
Exchange Rate Pass-Through and Inflation……………………………………………………………….. 519
Global Value Chains and Exchange Rate Effects on Export and Import Prices………………… 520
The Current Account, Wealth, and Exchange Rate Dynamics………………………………………. 522
box: Understanding Pass-Through to Import and Export Prices……………………………………. 522
The Liquidity Trap……………………………………………………………………………………………….. 524
case study: How Big Is the Government Spending Multiplier?……………………………………….. 527
Summary……………………………………………………………………………………………………………. 529
Appendix 1 to chapter 17: Intertemporal Trade and Consumption Demand………………….. 533
Appendix 2 to chapter 17: The Marshall-Lerner Condition and Empirical Estimates
of Trade Elasticities…………………………………………………………………………………………. 535
Appendix 3 to chapter 17: The IS-LM Model and the DD-AA Model………………………… 538
18 Fixed Exchange Rates and Foreign Exchange Intervention 543
Why Study Fixed Exchange Rates?…………………………………………………………………………. 544
Central Bank Intervention and the Money Supply………………………………………………………. 545
The Central Bank Balance Sheet and the Money Supply………………………………………………. 545
Foreign Exchange Intervention and the Money Supply………………………………………………… 547
Sterilization…………………………………………………………………………………………………………… 548
The Balance of Payments and the Money Supply……………………………………………………….. 548
How the Central Bank Fixes the Exchange Rate………………………………………………………… 549
Foreign Exchange Market Equilibrium under a Fixed Exchange Rate……………………………. 550
Money Market Equilibrium under a Fixed Exchange Rate…………………………………………… 550
A Diagrammatic Analysis……………………………………………………………………………………….. 551
Stabilization Policies with a Fixed Exchange Rate……………………………………………………… 552
Monetary Policy…………………………………………………………………………………………………….. 553
Fiscal Policy………………………………………………………………………………………………………….. 554
Changes in the Exchange Rate…………………………………………………………………………………. 555
Adjustment to Fiscal Policy and Exchange Rate Changes…………………………………………….. 556
Balance of Payments Crises and Capital Flight…………………………………………………………. 557
Managed Floating and Sterilized Intervention…………………………………………………………… 560
Perfect Asset Substitutability and the Ineffectiveness of Sterilized Intervention……………….. 560
case study: Can Markets Attack a Strong Currency? The Case of Switzerland, 2011–2015…..561
Foreign Exchange Market Equilibrium under Imperfect Asset Substitutability……………….. 564
The Effects of Sterilized Intervention with Imperfect Asset Substitutability……………………. 565
Evidence on the Effects of Sterilized Intervention……………………………………………………….. 566
Reserve Currencies in the World Monetary System…………………………………………………….. 567
The Mechanics of a Reserve Currency Standard…………………………………………………………. 568
The Asymmetric Position of the Reserve Center…………………………………………………………. 568
The Gold Standard……………………………………………………………………………………………….. 569
The Mechanics of a Gold Standard………………………………………………………………………….. 569
Symmetric Monetary Adjustment under a Gold Standard……………………………………………. 570
Benefits and Drawbacks of the Gold Standard…………………………………………………………… 570
The Bimetallic Standard………………………………………………………………………………………….. 571
The Gold Exchange Standard………………………………………………………………………………….. 572
case study: The Demand for International Reserves…………………………………………………….. 572
Summary……………………………………………………………………………………………………………. 576
Appendix 1 to chapter 18: Equilibrium in the Foreign Exchange Market with Imperfect
Asset Substitutability………………………………………………………………………….. 581
Demand……………………………………………………………………………………………………………….. 581
Supply………………………………………………………………………………………………………………….. 582
Equilibrium…………………………………………………………………………………………………………… 582
Appendix 2 to chapter 18: The Timing of Balance of Payments Crises……………………….. 584
Appendix 3 to chapter 18: The Monetary Approach to the Balance of Payments………….. 587
PART 4 International Macroeconomic Policy 589
19 International Monetary Systems: A Historical Overview 589
Macroeconomic Policy Goals in an Open Economy……………………………………………………. 590
Internal Balance: Full Employment and Price Level Stability………………………………………… 591
External Balance: The Optimal Level of the Current Account………………………………………. 592
box: Can a Country Borrow Forever? The Case of New Zealand………………………………….. 594
Classifying Monetary Systems: The Open-Economy Monetary Trilemma……………………… 598
International Macroeconomic Policy under the Gold Standard, 1870–1914…………………….. 599
Origins of the Gold Standard…………………………………………………………………………………… 600
External Balance under the Gold Standard………………………………………………………………… 600
The Price-Specie-Flow Mechanism…………………………………………………………………………… 600
The Gold Standard “Rules of the Game”: Myth and Reality………………………………………… 601
Internal Balance under the Gold Standard…………………………………………………………………. 602
case study: The Political Economy of Exchange Rate Regimes: Conflict over
America’s Monetary Standard during the 1890s…………………………………………………….. 603
The Interwar Years, 1918–1939………………………………………………………………………………. 604
The Fleeting Return to Gold……………………………………………………………………………………. 605
International Economic Disintegration……………………………………………………………………… 605
case study: The International Gold Standard and the Great Depression………………………….. 606
The Bretton Woods System and the International Monetary Fund………………………………… 607
Goals and Structure of the IMF……………………………………………………………………………….. 608
Convertibility and the Expansion of Private Financial Flows……………………………………….. 609
Speculative Capital Flows and Crises………………………………………………………………………… 610
Analyzing Policy Options for Reaching Internal and External Balance………………………….. 611
Maintaining Internal Balance…………………………………………………………………………………… 612
Maintaining External Balance………………………………………………………………………………….. 613
Expenditure-Changing and Expenditure-Switching Policies………………………………………….. 613
The External Balance Problem of the United States under Bretton Woods……………………… 615
case study: The End of Bretton Woods, Worldwide Inflation, and the Transition to
Floating Rates…………………………………………………………………………………………………. 616
The Mechanics of Imported Inflation……………………………………………………………………….. 617
Assessment……………………………………………………………………………………………………………. 619
The Case for Floating Exchange Rates…………………………………………………………………….. 619
Monetary Policy Autonomy…………………………………………………………………………………….. 619
Symmetry……………………………………………………………………………………………………………… 621
Exchange Rates as Automatic Stabilizers…………………………………………………………………… 621
Exchange Rates and External Balance……………………………………………………………………….. 623
case study: The First Years of Floating Rates, 1973–1990……………………………………………. 623
Macroeconomic Interdependence under a Floating Rate……………………………………………… 628
case study: Transformation and Crisis in the World Economy……………………………………….. 629
box: The Thorny Problem of Currency Manipulation…………………………………………………. 636
case study: The Dangers of Deflation……………………………………………………………………….. 638
What Has Been Learned Since 1973?………………………………………………………………………. 640
Monetary Policy Autonomy…………………………………………………………………………………….. 640
Symmetry……………………………………………………………………………………………………………… 640
The Exchange Rate as an Automatic Stabilizer…………………………………………………………… 642
External Balance……………………………………………………………………………………………………. 642
The Problem of Policy Coordination…………………………………………………………………………. 643
Are Fixed Exchange Rates Even an Option for Most Countries?…………………………………… 643
Summary……………………………………………………………………………………………………………. 644
Appendix to chapter 19: International Policy Coordination Failures……………………………. 650
20 Financial Globalization: Opportunity and Crisis 653
The International Capital Market and the Gains from Trade……………………………………….. 654
Three Types of Gain from Trade………………………………………………………………………………. 654
Risk Aversion………………………………………………………………………………………………………… 656
Portfolio Diversification as a Motive for International Asset Trade……………………………….. 656
The Menu of International Assets: Debt versus Equity………………………………………………… 657
International Banking and the International Capital Market……………………………………….. 658
The Structure of the International Capital Market………………………………………………………. 658
Offshore Banking and Offshore Currency Trading………………………………………………………. 659
The Shadow Banking System…………………………………………………………………………………… 661
Banking and Financial Fragility……………………………………………………………………………… 661
The Problem of Bank Failure…………………………………………………………………………………… 661
Government Safeguards against Financial Instability………………………………………………….. 664
Moral Hazard and the Problem of “Too Big to Fail”…………………………………………………… 667
box: Does the IMF Create Moral Hazard?……………………………………………………………….. 667
The Challenge of Regulating International Banking…………………………………………………… 669
The Financial Trilemma………………………………………………………………………………………….. 669
International Regulatory Cooperation through 2007……………………………………………………. 671
case study: The Global Financial Crisis of 2007–2009…………………………………………………. 672
box: Foreign Exchange Instability and Central Bank Swap Lines………………………………….. 675
International Regulatory Initiatives after the Global Financial Crisis…………………………….. 677
Metrics for International Capital Market Performance………………………………………………. 679
The Extent of International Portfolio Equity Diversification………………………………………… 680
The Extent of Intertemporal Trade…………………………………………………………………………… 680
The Efficiency of International Asset-Price Arbitrage………………………………………………….. 682
The Efficiency of the Foreign Exchange Market…………………………………………………………. 683
Summary……………………………………………………………………………………………………………. 687
21 Optimum Currency Areas and the Euro 692
How the European Single Currency Evolved……………………………………………………………… 694
What Has Driven European Monetary Cooperation?………………………………………………….. 694
box: Brexit…………………………………………………………………………………………………………. 695
The European Monetary System, 1979–1998……………………………………………………………… 698
German Monetary Dominance and the Credibility Theory of the EMS…………………………. 699
Market Integration Initiatives………………………………………………………………………………….. 701
European Economic and Monetary Union………………………………………………………………… 701
The Euro and Economic Policy in the Euro Zone……………………………………………………….. 702
The Maastricht Convergence Criteria and the Stability and Growth Pact……………………….. 703
The European Central Bank and the Eurosystem………………………………………………………… 704
The Revised Exchange Rate Mechanism……………………………………………………………………. 704
The Theory of Optimum Currency Areas…………………………………………………………………. 705
Economic Integration and the Benefits of a Fixed Exchange Rate Area:
The GG Schedule……………………………………………………………………………………………….. 705
Economic Integration and the Costs of a Fixed Exchange Rate Area:
The LL Schedule……………………………………………………………………………………………….. 707
The Decision to Join a Currency Area: Putting the GG and LL Schedules
Together…………………………………………………………………………………………………………… 709
What Is an Optimum Currency Area?……………………………………………………………………….. 711
Other Important Considerations………………………………………………………………………………. 711
case study: Is Europe an Optimum Currency Area?…………………………………………………….. 713
The Euro Crisis and the Future of EMU………………………………………………………………….. 716
Origins of the Crisis……………………………………………………………………………………………….. 716
Self-Fulfilling Government Default and the “Doom Loop”………………………………………….. 722
A Broader Crisis and Policy Responses……………………………………………………………………… 723
ECB Outright Monetary Transactions………………………………………………………………………. 725
Response to the COVID-19 Pandemic……………………………………………………………………….. 725
The Future of EMU……………………………………………………………………………………………….. 726
Summary……………………………………………………………………………………………………………. 727
22 Developing Countries: Growth, Crisis, and Reform 732
Income, Wealth, and Growth in the World Economy…………………………………………………… 733
The Gap between Rich and Poor………………………………………………………………………………. 733
Has the World Income Gap Narrowed Over Time?……………………………………………………… 734
The Importance of Developing Countries for Global Growth……………………………………….. 736
Structural Features of Developing Countries…………………………………………………………….. 737
box: The Commodity Super Cycle…………………………………………………………………………… 739
Developing-Country Borrowing and Debt…………………………………………………………………. 742
The Economics of Financial Inflows to Developing Countries……………………………………… 743
The Problem of Default………………………………………………………………………………………….. 744
Alternative Forms of Financial Inflow………………………………………………………………………. 746
The Problem of “Original Sin”…………………………………………………………………………………. 747
The Debt Crisis of the 1980s……………………………………………………………………………………. 749
Reforms, Capital Inflows, and the Return of Crisis……………………………………………………… 750
East Asia: Success and Crisis…………………………………………………………………………………. 754
The East Asian Economic Miracle……………………………………………………………………………. 754
box: Why Have Developing Countries Accumulated High Levels of International
Reserves?………………………………………………………………………………………………………… 755
Asian Weaknesses…………………………………………………………………………………………………… 756
box: What Did East Asia Do Right?………………………………………………………………………… 758
The Asian Financial Crisis………………………………………………………………………………………. 758
Lessons of Developing-Country Crises…………………………………………………………………….. 759
Reforming the World’s Financial “Architecture”………………………………………………………… 761
Capital Mobility and the Trilemma of the Exchange Rate Regime…………………………………. 762
“Prophylactic” Measures…………………………………………………………………………………………. 763
Coping with Crisis………………………………………………………………………………………………….. 764
box: Emerging Markets and Global Financial Cycles………………………………………………….. 765
Understanding Global Capital Flows and the Global Distribution of Income:
Is Geography Destiny?………………………………………………………………………………………. 768
box: Capital Paradoxes…………………………………………………………………………………………. 769
Summary……………………………………………………………………………………………………………. 773
Mathematical Postscripts 778
Postscript to Chapter 5: The Factor-Proportions Model………………………………………………. 778
Factor Prices and Costs…………………………………………………………………………………………… 778
Goods Prices and Factor Prices………………………………………………………………………………… 780
Factor Supplies and Outputs……………………………………………………………………………………. 781
Postscript to Chapter 6: The Trading World Economy………………………………………………… 782
Supply, Demand, and Equilibrium……………………………………………………………………………. 782
Supply, Demand, and the Stability of Equilibrium………………………………………………………. 784
Effects of Changes in Supply and Demand………………………………………………………………… 786
Economic Growth………………………………………………………………………………………………….. 787
A Transfer of Income……………………………………………………………………………………………… 788
A Tariff………………………………………………………………………………………………………………… 789
Postscript to Chapter 8: The Monopolistic Competition Model…………………………………….. 790
Postscript to Chapter 20: Risk Aversion and International Portfolio Diversification…………. 792
An Analytical Derivation of the Optimal Portfolio………………………………………………………. 792
A Diagrammatic Derivation of the Optimal Portfolio………………………………………………….. 793
The Effects of Changing Rates of Return………………………………………………………………….. 795
Merchandise Trade Flows with the United States (in 2018 U.S. dollars)…………………………. 800
Gross National Product per Capita (in 2019 U.S. dollars)……………………………………………. 802
Index ……………………………………………………………………………………………………… 804