Macroeconomics: A European Perspective

626 Pages·2021·21.173 MB·English

by  Olivier Blanchard, Alessia Amighini, Francesco Giavazzi

MACROECONOMICS
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MACROECONOMICS
A EUROPEAN PERSPECTIVE
4th edition
Olivier Blanchard, Alessia Amighini
and Francesco Giavazzi
Harlow, England • London • New York • Boston • San Francisco • Toronto • Sydney
Dubai • Singapore • Hong Kong • Tokyo • Seoul • Taipei • New Delhi
Cape Town • São Paulo • Mexico City • Madrid • Amsterdam • Munich • Paris • Milan
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PEARSON EDUCATION LIMITED
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Harlow CM17 9NA
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Web: www.pearson.com/uk
First published 2010 (print)
Second edition published 2013 (print and electronic)
Third edition published 2017 (print and electronic)
Fourth edition published 2021 (print and electronic)
© Pearson Education Limited 2010 (print)
© Pearson Education Limited 2013, 2017, 2021 (print and electronic)
The rights of Olivier Blanchard, Alessia Amighini and Francesco Giavazzi to be identified as authors of this work have
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ISBN: 978-1-292-36089-8 (print)
978-1-292-36090-4 (PDF)
978-1-292-36091-1 (ePub)
British Library Cataloguing-in-Publication Data
A catalogue record for the print edition is available from the British Library
Library of Congress Cataloging-in-Publication Data
Names: Blanchard, Olivier (Olivier J.), author. | Amighini, Alessia,
author. | Giavazzi, Francesco, author.
Title: Macroeconomics: a European perspective / Olivier Blanchard, Alessia
Amighini and Francesco Giavazzi.
Description: 4th edition. | Harlow, England; New York: Pearson, 2021. |
Includes bibliographical references and index.
Identifiers: LCCN 2021006074 (print) | LCCN 2021006075 (ebook) | ISBN
9781292360898 (paperback) | ISBN 9781292360911 (epub) | ISBN
9781292360904 (pdf)
Subjects: LCSH: Macroeconomics. | Europe—Economic conditions.
Classification: LCC HB172.5 .B574 2021 (print) | LCC HB172.5 (ebook) |
DDC 339—dc23
LC record available at https://lccn.loc.gov/2021006074
LC ebook record available at https://lccn.loc.gov/2021006075
10 9 8 7 6 5 4 3 2 1
25 24 23 22 21
Cover design by Kelly Miller
Cover image © Sandra Cunningham / Shutterstock
Print edition typeset in 9.5/12.5pt Charter ITC Std by SPi Global
Printed and bound by L.E.G.O. S.p.A., Italy
NOTE THAT ANY PAGE CROSS REFERENCES REFER TO THE PRINT EDITION
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BRIEF CONTENTS
List of figures xi 13 Technological progress and growth 271
List of tables xv 14 The challenges of growth 291
List of Focus boxes xvii
About the authors xix EXTENSIONS
Preface xx
Expectations 315
THE CORE 15 Financial markets and expectations 316
16 Expectations, consumption and investment 341
Introduction 3
17 Expectations, output and policy 362
1 A tour of the world 4
The open economy 383
2 A tour of the book 27
18 Openness in goods and financial markets 384
The short run 53 19 The goods market in an open economy 404
3 The goods market 54 20 Output, the interest rate and the exchange rate 424
4 Financial markets: I 74 21 Exchange rate regimes 444
5 Goods and financial markets:
Back to policy 469
the IS-LM model 94
22 Should policymakers be restrained? 470
6 Financial markets II: the extended
23 Fiscal policy: a summing up 490
IS-LM model 114
24 Monetary policy: a summing up 514
The medium run 143
EPILOGUE 539
7 The labour market 144
25 The story of macroeconomics 540
8 The Phillips curve, the natural rate of
unemployment and inflation 165 APPENDICES 555
9 From the short to the medium run: the Appendix 1 An introduction to national income
IS-LM-PC model 186 and product accounts 557
10 The COVID economic crisis 207 Appendix 2 A maths refresher 563
Appendix 3 An introduction to econometrics 568
Glossary 573
The long run 227
Symbols used in this book 584
11 The facts of growth 228 Index 586
12 Saving, capital accumulation and output 247 Publisher’s Acknowledgements 598
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CONTENTS
List of figures xi 3.2 The demand for goods 56
List of tables xv 3.3 The determination of equilibrium output 59
List of Focus boxes xvii 3.4 Investment equals saving: an alternative
About the authors xix way of thinking about the goods-market
equilibrium 66
Preface xx
3.5 Is the government omnipotent? A warning 68
Summary 70
Key terms 70
THE CORE
Questions and problems 71
Chapter 4
INTRODUCTION 3
Financial markets: I 74
Chapter 1
4.1 The demand for money 75
A tour of the world 4 4.2 Determining the interest rate: I 78
4.3 Determining the interest rate: II 83
1.1 The pandemic of 2020 5
4.4 The liquidity trap 87
1.2 The crisis of 2008–9 9
Summary 90
1.3 The United States 11
Key terms 90
1.4 The EU and the euro area 15
Questions and problems 91
1.5 China 20
Further reading 93
1.6 Looking ahead 22
Key terms 23
Chapter 5
Questions and problems 23
Goods and financial markets:
Appendix 1: Where to find the numbers 25
Appendix 2: What do macroeconomists do? 26 the IS-LM model 94
5.1 The goods market and the IS relation 95
Chapter 2 5.2 Financial markets and the LM relation 99
A tour of the book 27 5.3 Putting the IS and LM relations together 100
5.4 Using a policy mix 103
2.1 Aggregate output 28
5.5 How does the IS-LM model fit the facts? 108
2.2 The unemployment rate 33
Summary 110
2.3 The inflation rate 36
Key terms 110
2.4 Output, unemployment and the inflation
Questions and problems 110
rate: Okun’s law and the Phillips curve 39
Further reading 113
2.5 The short run, the medium run and the long run 41
2.6 A tour of the book 42 Chapter 6
Summary 44
Financial markets II: the extended
Key terms 44
IS-LM model 114
Questions and problems 45
Further reading 47 6.1 Nominal versus real interest rates 115
Appendix: The construction of real GDP and 6.2 Risk and risk premiums 118
chain-type indexes 49 6.3 The role of financial intermediaries 120
6.4 Extending the IS-LM model 123
6.5 From a housing problem to a financial
THE SHORT RUN 53
crisis: 2006–8 126
Summary 135
Chapter 3
Key terms 135
The goods market 54 Questions and problems 136
3.1 The composition of GDP 55 Further reading 139
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viii CONTENTS
THE MEDIUM RUN 143 THE LONG RUN 227
Chapter 7 Chapter 11
The labour market 144 The facts of growth 228
7.1 A tour of the labour market 145 11.1 Measuring the standard of living 229
7.2 Movements in unemployment 147 11.2 Growth in rich countries since 1950 232
7.3 Wage determination 150 11.3 A broader look across time and space 238
7.4 Price determination 155 11.4 Thinking about growth: a primer 240
7.5 The natural rate of unemployment 156 Summary 244
7.6 Where we go from here 159 Key terms 244
Summary 160 Questions and problems 245
Key terms 160 Further reading 246
Questions and problems 160
Further reading 163
Chapter 12
Appendix: Wage- and price-setting relations
versus labour supply and labour demand 164 Saving, capital accumulation
and output 247
Chapter 8
12.1 Interactions between output and capital 248
The Phillips curve, the natural rate of 12.2 The implications of alternative saving rates 251
unemployment and inflation 165 12.3 Getting a sense of magnitudes 258
12.4 Physical versus human capital 264
8.1 Inflation, expected inflation and unemployment 167
Summary 266
8.2 The Phillips curve and its mutations 168
Key terms 266
8.3 The Phillips curve and the natural rate of
Questions and problems 267
unemployment 172
Further reading 268
8.4 A summary and many warnings 174
Appendix: The Cobb-Douglas production
Summary 180
function and the steady state 269
Key terms 180
Questions and problems 181
Appendix: Derivation of the relation between Chapter 13
inflation, expected inflation and unemployment 185
Technological progress and
growth 271
Chapter 9
13.1 Technological progress and the rate
From the short to the medium run: the
of growth 272
IS-LM-PC model 186 13.2 The determinants of technological progress 278
9.1 The IS-LM-PC model 187 13.3 Institutions, technological progress and growth 282
9.2 From the short to the medium run 191 Summary 286
9.3 Complications and how things can go wrong 193 Key terms 286
9.4 Fiscal consolidation revisited 195 Questions and problems 286
9.5 The effects of an increase in the price of oil 197 Further reading 288
9.6 Conclusions 201 Appendix: How to measure technological
Summary 202 progress and the application
Key terms 203 to China 289
Questions and problems 203
Chapter 14
Chapter 10
The challenges of growth 291
The COVID economic crisis 207
14.1 The future of technological progress 292
10.1 The economic effects of the lockdown 210
14.2 Robots and unemployment 293
10.2 The macro policy response 212
14.3 Growth, churn and inequality 295
10.3 The economy post-lockdown 216
14.4 Climate change and global warming 304
10.4 The economy post-vaccine 220
Summary 308
Summary 222
Key terms 308
Key terms 222
Questions and problems 308
Questions and problems 223
Further reading 311
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CONTENTS ix
Chapter 19
EXTENSIONS
The goods market in an open economy 404
19.1 The IS relation in the open economy 405
EXPECTATIONS 315
19.2 Equilibrium output and the trade balance 408
19.3 Increases in demand – domestic or foreign 409
Chapter 15
19.4 Depreciation, the trade balance and output 414
Financial markets and expectations 316 19.5 Saving, investment and the current
15.1 Expected present discounted values 317 account balance 418
15.2 Bond prices and bond yields 321 Summary 420
15.3 The stock market and movements in stock Key terms 420
prices 327 Questions and problems 421
15.4 Risk, bubbles, fads and asset prices 333 Further reading 422
Summary 337 Appendix: Derivation of the Marshall-Lerner condition 423
Key terms 337
Questions and problems 338 Chapter 20
Further reading 339
Output, the interest rate and the
Appendix: Deriving the expected present
exchange rate 424
discounted value using real or nominal
interest rates 340 20.1 Equilibrium in the goods market 425
20.2 Equilibrium in financial markets 426
Chapter 16 20.3 Putting goods and financial markets together 429
20.4 The effects of policy in an open economy 431
Expectations, consumption and
20.5 Fixed exchange rates 436
investment 341
Summary 439
16.1 Consumption 342
Key terms 440
16.2 Investment 349
Questions and problems 440
16.3 The volatility of consumption and investment 356
Appendix: Fixed exchange rates, interest rates
Summary 357
and capital mobility 442
Key terms 358
Questions and problems 358
Chapter 21
Appendix: Derivation of the expected present
value of profits under static expectations 361 Exchange rate regimes 444
21.1 The medium run 445
Chapter 17
21.2 Exchange rate crises under fixed exchange
Expectations, output and policy 362 rates 449
21.3 Exchange rate movements under flexible
17.1 Expectations and decisions: taking stock 363
exchange rates 452
17.2 Monetary policy, expectations and output 366
21.4 Choosing between exchange rate regimes 455
17.3 Deficit reduction, expectations and output 369
Summary 460
Summary 377
Key terms 460
Key terms 377
Questions and problems 461
Questions and problems 377
Further reading 464
Further reading 380
Appendix 1: Deriving the IS relation under fixed
exchange rates 465
THE OPEN ECONOMY 383
Appendix 2: The real exchange rate and
domestic and foreign real interest rates 465
Chapter 18
Openness in goods and
BACK TO POLICY 469
financial markets 384
18.1 Openness in goods markets 386 Chapter 22
18.2 Openness in financial markets 392
Should policymakers be restrained? 470
18.3 Conclusions and a look ahead 400
Summary 401 22.1 Uncertainty and policy 471
Key terms 401 22.2 Expectations and policy 475
Questions and problems 402 22.3 Politics and policy 480
Further reading 403 Summary 486
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