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Essentials of Economics

Essentials of Economics

John Sloman | Dean Garratt

(2018)

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Book Details

Abstract

See Economics in Action!
In a world full of volatility, uncertainty and conflicting approaches, this market leading, concise text in introductory economics looks at the key economic issues of today and helps you make sense of them.

 


This new edition has been updated with the most recent data and coverage of economic issues such as growth, unemployment, the environment, Brexit and behavioural economics. Its classic features and clear, engaging writing style are complemented by strong theoretical basis and a wealth of pedagogical features to support learning. Expect real-life examples, case studies, questions and problems to guide your understanding.

 

 

Always up-to-date! The Sloman Economics News Site

Make use of the leading student-friendly blog that’s updated several times a month with news and topical stories, all linked to your textbook chapters, so you can understand current affairs more deeply.

 

New! Access additional resources on the open Companion Website

The website is full of supporting material such as threshold concepts, audio animations, case studies, web appendices, glossary, flashcards and answers to selected questions from the book.

 

This book can also be supported by a premium homework and assessment system, MyLab Economics. Learn more inside.


Table of Contents

Section Title Page Action Price
Front Cover Front Cover
Half Title Page i
Title Page iii
Copyright Page iv
About the authors v
Brief contents vii
Detailed contents ix
Preface xv
Student and lecturer resources xv
Acknowledgements xxi
Part A INTRODUCTION 1
Chapter 1 Economic issues 2
1.1 Engaging with Economics 3
An island economy 3
Economic puzzles and issues 3
1.2 The Economic Problem 5
The problem of scarcity 5
Demand and supply 6
1.3 Dividing Up the Subject 6
Microeconomics 7
Macroeconomics 9
1.4 Modelling Economic Relationships 12
The production possibility curve 13
The circular flow of goods and incomes 15
Models and data 16
1.5 Economic Systems 19
The command economy 20
The free-market economy 22
The price mechanism 22
The mixed market economy 26
Chapter 1 Boxes 8
1.1 The Opportunity Costs of Studying: What are you sacrificing? 8
1.2 Business Cycles: The inherent volatility of economies 11
1.3 Nominal and Real House Prices: Going through the roof 18
1.4 Command Economies: Rise and fall of planning in Russia 22
Part B MICROECONOMICS 29
Chapter 2 Markets, demand and supply 30
2.1 Demand 31
The relationship between demand and price 31
The demand curve 31
Other determinants of demand 32
Movements along and shifts in the demand curve 33
2.2 Supply 34
Supply and price 34
The supply curve 34
Other determinants of supply 35
Movements along and shifts in the supply curve 36
2.3 The Determination of Price 36
Equilibrium price and output 36
Movement to a new equilibrium 43
2.4 The Free-Market Economy 45
Advantages of a free-market economy 45
Problems with a free-market economy 45
Chapter 2 Boxes 38
2.1 UK House Prices: Unearthing the foundations of house price patterns 38
2.2 Stock Market Prices: Taking stock of share prices 40
2.3 Commodity Prices: Riding the commodities Big Dipper 42
Chapter 3 Markets in action 48
3.1 Price Elasticity of Demand 49
The price elasticity of demand 49
Measuring the price elasticity of demand 50
Interpreting the figure for elasticity 50
Determinants of price elasticity of demand 51
3.2 Price Elasticity of Demand and Consumer Expenditure 52
3.3 Price Elasticity of Supply (PES) 55
The determinants of price elasticity of supply 57
3.4 Other Elasticities 57
Income elasticity of demand 57
Cross-price elasticity of demand 58
3.5 Markets and Adjustment over Time 60
Short-run and long-run adjustment 60
Price expectations and speculation 60
3.6 Markets Where Prices are Controlled 63
Setting a minimum (high) price 63
Setting a maximum (low) price 64
Chapter 3 Boxes 52
3.1 The Measurement of Elasticity 52
3.2 Advertising and its Effect on Demand Curves: How to increase sales and price 56
3.3 Elasticities and Relationships: Where there’s a relationship, there’s an elasticity 59
3.4 Short Selling: Gambling on a fall in share prices 63
3.5 A Minimum Unit Price for Alcohol: A way of reducing alcohol consumption 65
3.6 UK Payday Loan Cap: Capping the cost of short-term credit 66
3.7 The Effect of Imposing Taxes on Goods: Who ends up paying? 68
Chapter 4 The demand decision 71
4.1 Consumer Choice 72
Utility and the rational consumer 72
The rational consumer’s optimal combination of goods 75
4.2 The Timing of Costs and Benefits 77
Intertemporal choices 77
Maximising utility with intertemporal choices 77
4.3 Uncertainty and Risk 78
Choice under risk and uncertainty 78
Attitudes towards risk 80
Insurance: a way of removing risks 81
Choices under asymmetric information 83
4.4 Behavioural Economics 85
What is behavioural economics? 85
Processing limited information 85
Taking other people into account 87
Biased behaviour 88
Implications for economic policy 89
Chapter 4 Boxes 73
4.1 Satisfaction and Consumer Demand: Identifying the benefit drivers 73
4.2 Optimal Consumption Bundles: Equi-marginal principle in consumption 76
4.3 Intertemporal Decision Making and the Rational Consumer: Incorporating impatience into models of consumer choice 79
4.4 Futures Markets: A way of reducing uncertainty 82
4.5 Problems with Insurance Markets: Adverse selection and moral hazard 84
4.6 Nudging People: How to change behaviour without taking away choice 90
Chapter 5 The supply decision 93
5.1 Production and Costs: Short Run 94
Short-run and long-run changes in production 94
Production in the short run: the law of diminishing returns 94
Measuring costs of production 95
Costs and output 96
5.2 Production and Costs: Long Run 102
The scale of production 102
Long-run average cost 104
The relationship between long-run and short-run average cost curves 106
Long-run cost curves in practice 106
Postscript: decision- making in different time periods 106
5.3 Revenue 108
Total, average and marginal revenue 108
Average and marginal revenue curves when price is not affected by the firm’s output 110
Average and marginal revenue curves when price varies with output 110
Shifts in revenue curves 112
5.4 Profit Maximisation 112
Some qualifications 113
5.5 Problems with Traditional Theory 115
Explaining actual producer behaviour 115
Alternative aims 117
Chapter 5 Boxes 95
5.1 Diminishing Returns in the Bread Shop: Is the baker using his loaf? 95
5.2 Malthus and the Dismal Science of Economics: Population growth + diminishing returns = starvation 97
5.3 The Relationship Between Averages and Marginals 99
5.4 Costs and the Economic Vulnerability of Firms: The behaviour of costs and firms’ financial well-being 100
5.5 The Optimum Combinations of Inputs: Equi-marginal principle in production 105
5.6 Minimum Efficient Scale: The extent of economies of scale in practice 108
Chapter 6 Market structures 121
6.1 The Degree of Competition 122
6.2 Perfect Competition 123
Assumptions 123
The short-run equilibrium of the firm 124
The short-run supply curve 125
The long-run equilibrium of the firm 125
6.3 Monopoly 127
What is a monopoly? 127
Barriers to entry 127
Equilibrium price and output 131
Monopoly versus perfect competition: which best serves the public interest? 132
Potential competition or potential monopoly? The theory of contestable markets 133
6.4 Monopolistic Competition 136
Assumptions 136
Equilibrium of the firm 137
Non-price competition 138
Monopolistic competition and the public interest 138
6.5 Oligopoly 139
The two key features of oligopoly 140
Competition and collusion 140
Collusive oligopoly 140
Non-collusive oligopoly: the breakdown of collusion 145
Non-collusive oligopoly: assumptions about rivals’ behaviour 145
Oligopoly and the consumer 147
6.6 Game Theory 149
Simultaneous single-move games 149
Repeated simultaneous-move games 151
Sequential move games 152
6.7 Price Discrimination 155
Advantages to the firm 157
Price discrimination and the public interest 157
Chapter 6 Boxes 128
6.1 E-Commerce: Has technology shifted market power? 128
6.2 Breaking Sky’s Monopoly on Live Premier League Football: The sky is the limit for the English Premier League 134
6.3 OPEC: The history of the world’s most famous cartel 142
6.4 Buying Power: What’s being served up by the UK grocery sector? 148
6.5 The Prisoners’ Dilemma: Choosing whether to deny or confess 153
6.6 Profit-Maximising Prices and Output For a Third-Degree Price Discriminating Firm: Identifying different prices in different markets 159
Chapter 7 Wages and the distribution of income 162
7.1 Wage Determination in a Perfect Market 163
Perfect labour markets 163
The supply of labour 163
The demand for labour: the marginal productivity theory 164
Wages and profits under perfect competition 167
7.2 Wage Determination in Imperfect Markets 168
Firms with power 168
The role of trade unions 169
Bilateral monopoly 169
The efficiency wage hypothesis 171
7.3 Inequality 172
Types of inequality 172
Measuring the size distribution of income 174
The functional distribution of income 176
The distribution of wealth 180
Causes of inequality 181
7.4 The Redistribution of Income 185
Taxation 185
Benefits 186
The tax/benefit system and the problem of disincentives: the ‘poverty trap’ 188
Chapter 7 Boxes 164
7.1 Labour Market Trends: Patterns in employment 164
7.2 Wages under Bilateral Monopoly: All to play for? 170
7.3 The Gender Pay Gap: Wage inequalities between men and women 178
7.4 Minimum Wage Legislation: A way of helping the poor? 182
7.5 Inequality and Economic Growth: Macroeconomic implications of income inequality 184
7.6 Uk Tax Credits: An escape from the poverty trap? 188
Chapter 8 Market failures and government policy 193
8.1 Social Efficiency 194
8.2 Market Failures: Externalities and Public Goods 196
Externalities 196
Public goods 199
8.3 Market Failures: Monopoly Power 201
Deadweight loss under monopoly 201
Conclusions 202
8.4 Other Market Failures 202
Imperfect information 202
Immobility of factors and time lags in response 203
Protecting people’s interests 203
Other objectives 204
How far can economists go in advising governments? 205
8.5 Government Intervention: Taxes and Subsidies 206
The use of taxes and subsidies 206
Assessing the use of taxes and subsidies 208
8.6 Government Intervention: Laws and Regulation 209
Laws prohibiting or regulating undesirable structures or behaviour 209
Regulatory bodies 209
8.7 Other Forms of Government Intervention 212
Changes in property rights 212
Provision of information 213
The direct provision of goods and services 213
Nationalisation and privatisation 214
8.8 More or Less Intervention? 216
Drawbacks of government intervention 216
Advantages of the free market 216
Should there be more or less intervention in the market? 217
8.9 The Environment: A Case Study in Market Failure 217
The environmental problem 217
Market failures 218
Policy alternatives 218
How much can we rely on governments? 226
Chapter 8 Boxes 200
8.1 The Tragedy of the Commons: The depletion of common resources 200
8.2 Should Health-Care Provision be Left to the Market?: A case of multiple market failures 204
8.3 Green Taxes: Are they the answer to the problem of pollution? 220
8.4 Trading our Way out of Climate Change: The EU carbon trading system 222
8.5 The Problem of Urban Traffic Congestion: Does Singapore have the answer? 224
Part C MACROECONOMICS 231
Chapter 9 Aggregate demand and the business cycle 232
9.1 Introduction to Macroeconomics 233
Key macroeconomic issues 233
Government macroeconomic policy 239
9.2 cEconomic Volatility and the Business Cycle 240
The hypothetical business cycle 240
The business cycle in practice 241
Spending, output and the business cycle 241
9.3 The Circular Flow of Income Model 244
The inner flow, withdrawals and injections 245
The relationship between withdrawals and injections 247
Equilibrium in the circular flow 248
9.4 Simple Keynesian Model of National Income Determination 248
Showing equilibrium with a Keynesian diagram 249
The withdrawals and injections approach 249
The income and expenditure approach 250
9.5 The Multiplier 252
The withdrawals and injections approach 253
The income and expenditure approach 254
The multiplier: a numerical illustration 255
The multiplier and the full-employment level of national income 255
9.6 The Volatility of Private-Sector Spending 258
Consumption cycles 258
Instability of investment 261
The role of the financial sector 263
What determines the turning points? 264
9.7 Appendix Measuring National Income and Output 266
The product method 266
The income method 267
The expenditure method 267
From GDP to national income 269
Households’ disposable income 269
Taking account of inflation 270
Chapter 9 Boxes 242
9.1 Output Gaps and the Business Cycle: An alternative measure of excess or deficient demand 242
9.2 The Consumption Function: The relationship between consumption and income 252
9.3 Sentiment and Spending: Does sentiment help to forecast spending? 264
9.4 Making Sense of Nominal and Real GDP: The interesting case of nominal and real Japanese GDP 270
Chapter 10 Aggregate supply and economic growth 273
10.1 The AD/AS Model 274
The aggregate demand curve 274
The aggregate supply curve 275
Equilibrium 276
10.2 Alternative Perspectives on Aggregate Supply 278
The short-run aggregate supply curve 278
The long-run aggregate supply curve 281
Areas of general agreement 283
10.3 Introduction to Long-Term Economic Growth 284
Long-run growth and the AD/AS model 284
Comparing the growth performance of different countries 285
The causes of economic growth 286
10.4 Economic Growth without Technological Progress 287
Capital accumulation and capital deepening 287
A simple model of growth 291
The neoclassical growth model 292
10.5 Economic Growth with Technological Progress 295
Technological progress and the neoclassical model 295
Endogenous growth theory 296
Chapter 10 Boxes 278
10.1 Short-run Aggregate Supply: The importance of micro foundations 278
10.2 Measuring Labour Productivity: Mind the UK productivity gap 288
10.3 Getting Intensive with Physical Capital: Capital intensity and labour productivity 290
10.4 UK Human Capital: Estimating the capabilities of the labour force 298
Chapter 11 The financial system, money and interest rates 301
11.1 The Meaning and Functions of Money 302
The functions of money 302
What should count as money? 303
11.2 The Financial System 303
The banking system 303
Deposit taking and lending 305
Profitability, liquidity and capital adequacy 310
Strengthening international regulation of capital adequacy and liquidity 313
The central bank 317
The role of the money markets 319
11.3 The Supply of Money 321
The creation of credit 322
The creation of credit: the real world 323
What causes money supply to rise? 325
The flow of funds equation 326
Credit cycles 328
The relationship between money supply and the rate of interest 328
11.4 The Demand for Money 331
What determines the size of the demand for money? 331
Equilibrium in the money market 333
The link between the money and goods markets 334
The equation of exchange 336
Money and aggregate demand 337
Chapter 11 Boxes 304
11.1 Financial Intermediation: What is it that banks do? 304
11.2 The Growth of Banks’ Balance Sheets: The rise of wholesale funding 308
11.3 The Rise of Securitisation: Spreading the risk or promoting a crisis? 314
11.4 Minsky’s Financial Instability Hypothesis: Are credit cycles inevitable? 329
Chapter 12 Output, unemployment and inflation 341
12.1 Unemployment 342
Measuring unemployment 342
Unemployment trends 342
Unemployment and the labour market 344
Types of disequilibrium unemployment 346
Types of equilibrium unemployment (or natural unemployment) 348
Long-term changes in unemployment 349
12.2 Inflation 352
Introduction to the causes of inflation 352
12.3 The Relationship Between Output, Unemployment And Inflation: The Short Run 357
The AD/AS model 357
The Phillips curve 359
12.4 The Relationship Between Inflation and Unemployment: Introducing Expectations 363
The expectations-augmented Phillips curve 363
Natural rate hypothesis 363
The accelerationist hypothesis 365
New classical perspective 365
Keynesian views 368
12.5 Inflation Rate Targeting 369
Chapter 12 Boxes 344
12.1 The Costs of Unemployment: Is it just the unemployed who suffer? 344
12.2 The Duration of Unemployment: Taking a dip in the unemployment pool 347
12.3 The Costs of Inflation: Who loses and by how much? 353
12.4 Cost Push Illusion: When rising costs are not cost-push inflation 356
12.5 Mind the Gap: Do output gaps explain inflation? 360
12.6 The Accelerationist Hypothesis: The race to outpace inflationary expectations 366
Chapter 13 Macroeconomic policy 374
13.1 Fiscal Policy and the Public Finances 375
Roles for fiscal policy 375
Public-sector finances 375
Sustainability of public finances 378
The business cycle and the public finances 378
The fiscal stance 378
13.2 The Use of Fiscal Policy 379
The effectiveness of fiscal policy 382
Problems of magnitude 382
The problem of timing 384
Fiscal rules 385
13.3 Monetary Policy 386
The policy setting 387
Control of the money supply over the medium and long term 388
Short-term monetary measures 389
Techniques to control the money supply 390
Techniques to control interest rates 391
Using monetary policy 396
13.4 Demand-Side Policy 398
Attitudes towards demand management 398
The case for rules and policy frameworks 399
The case for discretion 400
Central banks and a Taylor rule 401
Conclusions 401
13.5 Supply-Side Policy 402
Market-orientated supply-side policies 402
Interventionist supply-side policies 405
The link between demand-side and supply-side policies 407
Chapter 13 Boxes 380
13.1 Primary Surpluses and Sustainable Public Finances: The fiscal arithmetic of government debt 380
13.2 The Financial Crisis and the UK Fiscal Policy Yo-Yo: Trying to find the balance between rules and discretion 382
13.3 Evolving Fiscal Frameworks in the European Union: Constraining the fiscal discretion of national governments 386
13.4 The Daily Operation of Monetary Policy: What goes on at Threadneedle Street? 392
13.5 Monetary Policy in the Eurozone: The role of the ECB 394
13.6 Quantitative Easing: Rethinking monetary policy in hard times 396
13.7 Public Funding of Apprenticeships: Reforms to apprenticeships in England 408
Part D INTERNATIONAL ECONOMICS 413
Chapter 14 Globalisation and international trade 414
14.1 Global Interdependence 415
Interdependence through trade 415
Financial interdependence 417
International business cycles 418
Global policy response 418
14.2 The Advantages of Trade 418
Trading patterns 418
Specialisation as the basis for trade 421
The law of comparative advantage 421
The gains from trade based on comparative advantage 422
Other reasons for gains from trade 423
The terms of trade 423
14.3 Arguments for Restricting Trade 424
Arguments in favour of restricting trade 424
Problems with protection 427
14.4 The World Trading System and the WTO 428
14.5 Trading Blocs 431
Types of preferential trading arrangement 431
The direct effects of a customs union: trade creation and trade diversion 432
Longer-term effects of a customs union 432
Preferential trading in practice 433
14.6 The European Union 435
From customs union to common market 435
The benefits and costs of the single market 436
Completing the internal market 437
The effect of the new member states 438
14.7 The UK and Brexit 439
Alternative trading arrangements 439
Long-term growth, trade and Brexit 439
14.8 Trade and Developing Countries 442
The relationship between trade and development 442
Trade strategies 443
Approach 1: Exporting primaries – exploiting comparative advantage 443
Approach 2: Import-substituting industrialisation (ISI) 446
Approach 3: Exporting manufactures – a possible way forward? 447
Chapter 14 Boxes 416
14.1 Trade Imbalance in the USA and China: An illustration of economic and financial interdependencies 416
14.2 Trading Places: Partners in trade 420
14.3 Do we Exploit Foreign Workers by Buying Cheap Foreign Imports? 426
14.4 The Doha Development Agenda: A new direction for the WTO? 430
14.5 Features of The Single Market 436
14.6 The Evolving Comparative Advantage of China: Riding the dragon 448
Chapter 15 Balance of payments and exchange rates 453
15.1 The Balance of Payments Account 454
The current account 454
The capital account 455
The financial account 456
15.2 Exchange Rates 457
Determination of the rate of exchange in a free market 460
15.3 Exchange Rates and the Balance of Payments 462
Exchange rates and the balance of payments: no government or central bank intervention 462
Exchange rates and the balance of payments: with government or central bank intervention 463
15.4 Fixed Versus Floating Exchange Rates 464
Advantages of fixed exchange rates 464
Disadvantages of fixed exchange rates 464
Advantages of a free-floating exchange rate 465
Disadvantages of a free-floating exchange rate 466
Exchange rates in practice 467
15.5 The Origins of the Euro 470
The ERM 470
The Maastricht Treaty and the road to the single currency 471
15.6 Economic and Monetary Union (EMU) in Europe 472
Birth of the euro 472
Advantages of the single currency 472
Opposition to EMU 473
Future of the euro 475
15.7 Debt and Developing Countries 479
The oil shocks of the 1970s 479
Dealing with the debt 481
Chapter 15 Boxes 459
15.1 Nominal and Real Exchange Rates: Searching for a real advantage 459
15.2 Dealing in Foreign Currencies: A daily juggling act 462
15.3 The Importance of International Financial Movements: How a current account deficit can coincide with an appreciating exchange rate 466
15.4 The Euro/Dollar See-Saw: Ups and downs in the currency market 468
15.5 Optimal Currency Areas: When it pays to pay in the same currency 474
Websites appendix W:1
Key ideas and glossary K:1
Index I:1
Back Cover 511