Cambridge University Press
0521819938 - Managerial Economics- by Nick Wilkinson

Table of Contents

Detailed contents





PART IINTRODUCTION    page    1
Chapter 1Nature, scope and methods of managerial economics    3
1.1Introduction    4
Case study 1.1: Global warming    4
1.2Definition and relationships with other disciplines    7
Definition    7
Relationship with economic theory    8
Relationship with decision sciences    10
Relationship with business functions    10
1.3Elements of managerial economics    11
Subject areas and relationships    11
Presentation of topics    11
1.4Methods    12
Scientific theories    12
Learning economics    14
Case study 1.2: Import quotas on Japanese cars    15
Tools of analysis: demand and supply    16
Case study 1.3: Equal prize money in tennis    17
Summary    18
Review questions    19
Notes    19
Chapter 2The theory of the firm    20
2.1Introduction    22
2.2The nature of the firm    23
Economic organizations    23
Transaction cost theory    25
Motivation theory    26
Property rights theory    29
2.3The basic profit-maximizing model    32
Assumptions    32
Limitations    35
Usefulness    35
2.4The agency problem    36
Contracts and bounded rationality    37
Hidden information    38
Hidden action    39
Control measures    40
Limitations of the agency model    43
Case study 2.1: Corporate governance    44
2.5Measurement of profit    48
Nature of measurement problems    48
Efficient markets hypothesis*    50
Limitations of the EMH*    51
Case study 2.2: Enron    53
2.6Risk and uncertainty    57
Attitudes to risk    58
Risk and objectives    58
Risk and the agency problem    59
2.7Multiproduct strategies    60
Product line profit maximization    60
Product mix profit maximization    61
Case study 2.3: PC World    62
2.8Conclusion    62
The public sector and non-profit organizations    63
Satisficing    63
Surveys of business objectives    64
Ethics    64
Profit maximization revisited    65
Summary    66
Review questions    67
Notes    68
PART IIDEMAND ANALYSIS    71
Chapter 3Demand theory    73
3.1Introduction    74
3.2Definition and representation    74
Meaning of demand    74
Tables, graphs and equations    75
Interpretation of equations    78
3.3Consumer theory    80
Assumptions    81
Analysis    83
Limitations    88
Alternative approaches*    88
Conclusions    90
3.4Factors determining demand    91
Controllable factors    92
Uncontrollable factors    93
Demand and quantity demanded    96
Case study 3.1: Marks & Spencer    97
3.5Elasticity    98
Price elasticity    99
Promotional elasticity    105
Income elasticity    107
Cross-elasticity    108
3.6A problem-solving approach    110
Examples of solved problems    110
Case study 3.2: The Oresund bridge    115
Case study 3.3: The Texas state bird    116
Case study 3.4: Oil production    116
Summary    118
Review questions    118
Problems    119
Notes    120
Chapter 4Demand estimation    122
4.1Introduction    124
4.2Methods    125
Consumer surveys    125
Market experiments    126
Statistical methods    127
4.3Model specification    127
Mathematical models    127
Statistical models    129
4.4Data collection    129
Types of data    129
Sources of data    130
Presentation of data    131
4.5Simple regression    133
The OLS method    133
Application of OLS    133
4.6Goodness of fit    135
Correlation    135
The coefficient of determination    136
4.7Power regression    137
Nature of the model    138
Application of the model    138
4.8Forecasting    139
Nature    139
Application    139
4.9Multiple regression    140
Nature of the model    140
Advantages of multiple regression    141
Dummy variables*    142
Mathematical forms*    143
Interpretation of the model results*    144
Selecting the best model*    148
Case study 4.1: The demand for coffee    149
4.10Implications of empirical studies    150
The price–quality relationship    150
Lack of importance of price    150
Dynamic relationships    151
4.11A problem-solving approach    151
Examples of solved problems    152
Case study 4.2: Determinants of car prices    155
Case study 4.3: The Sports Connection*    155
Appendix A: Statistical inference*    157
Nature of inference in the OLS model    157
Assumptions    157
Calculations for statistical inference    159
Consequences of assumptions    160
Estimation    162
Hypothesis testing    162
Confidence intervals for forecasts    163
Appendix B: Problems of the OLS model*    165
Specification error    165
The identification problem    165
Violation of assumptions regarding the error term    166
Multicollinearity    168
Summary    169
Review questions    169
Problems    170
Notes    171
PART IIIPRODUCTION AND COST ANALYSIS    175
Chapter 5Production theory    175
5.1Introduction    176
5.2Basic terms and definitions    177
Factors of production    177
Production functions    178
Fixed factors    179
Variable factors    179
The short run    180
The long run    180
Scale    180
Efficiency    181
Input-output tables    181
5.3The short run    182
Production functions and marginal product    182
Derivation of the short-run input-output table    183
Increasing and diminishing returns    185
Relationships between total, marginal and average product    186
Determining the optimal use of the variable input    188
Case study 5.1: Microsoft – increasing or diminishing returns?    191
Case study 5.2: State spending    192
5.4The long run    193
Isoquants    193
The marginal rate of technical substitution    194
Returns to scale    194
Determining the optimal combination of inputs    198
5.5A problem-solving approach    203
Planning    203
Marginal analysis    203
Example of a solved problem    204
Evaluating trade-offs    205
Example of a solved problem    206
Case study 5.3: Factor Substitution in the National Health Service    207
Summary    208
Review questions    209
Problems    210
Notes    211
Chapter 6Cost theory    212
6.1Introduction    213
Importance of costs for decision-making    213
Explicit and implicit costs    214
Historical and current costs    214
Sunk and incremental costs    215
Private and social costs    215
Relevant costs for decision-making    216
Case study 6.1: Brewster Roofing    216
Summary of cost concepts    216
6.2Short-run cost behaviour    217
Classification of costs    217
Types of unit cost    217
Derivation of cost functions from production functions    218
Factors determining relationships with output    220
Efficiency    223
Changes in input prices    223
Different forms of cost function    223
6.3Long-run cost behaviour    226
Derivation of cost functions from production functions*    226
Economies of scale    227
Diseconomies of scale    229
Economies of scope    230
Relationships between short- and long-run cost curves    231
Strategy implications    234
6.4The learning curve    235
6.5Cost–volume–profit analysis    236
Purpose and assumptions    236
Break-even output    238
Profit contribution    238
Operating leverage*    239
Limitations of CVP analysis    239
6.6A problem-solving approach    240
Examples of solved problems    241
Case study 6.2: Converting to LPG – is it worth it?    245
Case study 6.3: Rescuing Nissan    245
Case study 6.4: Earls Court Gym    246
Summary    250
Review questions    250
Problems    251
Notes    253
Chapter 7Cost estimation    254
7.1Introduction    255
Importance of cost estimation for decision-making    255
Types of cost scenario    256
Methodology    256
7.2Short-run cost estimation    259
Types of empirical study    260
Problems in short-run cost estimation    260
Different forms of cost function, interpretation and selection    263
Implications of empirical studies    265
7.3Long-run cost estimation    265
Types of empirical study    266
Problems in long-run cost estimation    266
Different forms of cost function    268
Implications of empirical studies    268
Case study 7.1: Banking    270
7.4The learning curve    271
Types of specification    271
Case study 7.2: Airlines    272
Case study 7.3: Electricity generation    273
Application of the learning curve    275
Example of a solved problem    275
Implications of empirical studies    276
7.5A problem-solving approach    277
Examples of solved problems    278
Summary    280
Review questions    280
Problems    281
Notes    282
PART IVSTRATEGY ANALYSIS    285
Chapter 8Market structure and pricing    287
8.1Introduction    288
Characteristics of markets    289
Types of market structure    289
Relationships between structure, conduct and performance    290
Methodology    291
8.2Perfect competition    291
Conditions    291
Demand and supply    292
Graphical analysis of equilibrium    293
Algebraic analysis of equilibrium    296
Adjustment to changes in demand    297
8.3Monopoly    300
Conditions    300
Barriers to entry and exit    300
Graphical analysis of equilibrium    304
Algebraic analysis of equilibrium    305
Pricing and price elasticity of demand    306
Comparison of monopoly with perfect competition    309
Case study 8.1: Electricity generation    311
8.4Monopolistic competition    313
Conditions    313
Graphical analysis of equilibrium    313
Algebraic analysis of equilibrium    314
Comparison with perfect competition and monopoly    316
Comparison with oligopoly    316
Case study 8.2: Price cuts for medicines    317
8.5Oligopoly    318
Conditions    318
The kinked demand curve model    319
Collusion and cartels    321
Price leadership    324
Case study 8.3: Mobile phone networks    324
Case study 8.4: Private school fees    325
8.6A problem-solving approach    327
Summary    328
Review questions    328
Problems    329
Notes    330
Chapter 9Game theory    331
9.1Introduction    332
Nature and scope of game theory    333
Elements of a game    333
Types of game    336
9.2Static games    338
Equilibrium    338
Oligopoly models    340
Property rights*    349
Nash bargaining    351
Case study 9.1: Experiments testing the Cournot equilibrium    352
9.3Dynamic games    353
Equilibrium    353
Strategic moves and commitment    355
Stackelberg oligopoly    358
Case study 9.2: Monetary policy in Thailand    361
9.4Games with uncertain outcomes*    361
Mixed strategies    362
Moral hazard and pay incentives    365
Moral hazard and efficiency wages    367
9.5Repeated games*    370
Infinitely repeated games    370
Finitely repeated games    375
9.6Limitations of game theory    375
Case study 9.3: Credible commitments    376
9.7A problem-solving approach    378
Summary    378
Review questions    379
Problems    379
Notes    380
Chapter 10Pricing strategy    382
10.1Introduction    384
10.2Competitive advantage    385
Nature of competitive advantage    385
Value creation    385
Case study 10.1: Mobile phones – Nokia    388
10.3Market positioning, segmentation and targeting    389
Cost advantage    390
Benefit advantage    390
Competitive advantage, price elasticity and pricing strategy    391
Segmentation and targeting    392
Role of pricing in managerial decision-making    394
Case study 10.2: Handheld Computers – Palm    394
10.4Price discrimination    396
Definition and conditions    396
Types of price discrimination    397
Price discrimination in the European Union    399
Analysis    401
Example of a solved problem    401
Case study 10.3: Airlines    403
10.5Multiproduct pricing    405
Context    405
Demand interrelationships    406
Production interrelationships    407
Joint products    407
Example of a solved problem    408
10.6Transfer pricing    411
Context    411
Products with no external market    412
Example of a solved problem    412
Products with perfectly competitive external markets    415
Products with imperfectly competitive external markets    415
10.7Pricing and the marketing mix*    416
An approach to marketing mix optimization    416
The constant elasticity model    417
Complex marketing mix interactions    420
10.8Dynamic aspects of pricing    421
Significance of the product life-cycle    421
Early stages of the product life-cycle    421
Later stages of the product life-cycle    422
10.9Other pricing strategies    422
Perceived quality    423
Perceived price    423
The price–quality relationship    423
Perceived value    424
Summary    424
Review questions    426
Problems    426
Notes    428
Chapter 11Investment analysis    430
11.1Introduction    431
The nature and significance of capital budgeting    431
Types of capital expenditure    432
A simple model of the capital budgeting process    434
11.2Cash flow analysis    434
Identification of cash flows    435
Measurement of cash flows    435
Example of a solved problem    435
Case study 11.1: Investing in a corporate fitness programme    439
11.3Risk analysis    439
Nature of risk in capital budgeting    439
Measurement of risk    440
11.4Cost of capital    445
Nature and components    445
Cost of debt    446
Cost of equity    447
Weighted average cost of capital    449
11.5Evaluation criteria    450
Net present value    450
Internal rate of return    451
Comparison of net present value and internal rate of return    452
Other criteria    452
Decision-making under risk    454
Example of a solved problem    455
Decision-making under uncertainty    458
11.6The optimal capital budget    459
The investment opportunity (IO) schedule    460
The marginal cost of capital (MCC) schedule    460
Equilibrium of IO and MCC    462
11.7A problem-solving approach    462
Case study 11.2: Under-investment in transportation infrastructure    462
Case study 11.3: Over-investment in fibre optics    463
Summary    465
Review questions    466
Problems    466
Notes    468
Chapter 12Government and managerial policy    469
12.1Introduction    471
Importance of government policy    471
Objectives of government policy    471
12.2Market failure    473
Definition and types    473
Monopolies    474
Externalities    475
Public goods    475
Imperfect information    476
Transaction costs    476
12.3Monopoly and Competition Policy    477
Basis of government policy    477
The structure–conduct–performance (SCP) model    479
Detection of monopoly    480
Public ownership    481
Privatization and regulation    486
Promoting competition    490
Restrictive practices    493
Case study 12.1: Electricity    499
Case study 12.2: Postal services    503
12.4Externalities    507
Optimality with externalities    508
Implications for government policy    509
Implications for management    511
Case study 12.3: Fuel taxes and optimality    512
12.5Imperfect information    513
Incomplete information    514
Asymmetric information    514
Implications for government policy    516
Implications for management    518
Summary    518
Review questions    520
Notes    520
Index    522




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