|
Preface xi |
1 |
Introduction 1 |
|
1.1 |
Game Theory 1 |
|
1.2 |
Games and Solutions 2 |
|
1.3 |
Game Theory and the Theory of Competitive Equilibrium 3 |
|
1.4 |
Rational Behavior 4 |
|
1.5 |
The Steady State and Deductive Interpretations 5 |
|
1.6 |
Bounded Rationality 6 |
|
1.7 |
Terminology and Notation 6 |
|
|
Notes 8 |
I |
Strategic Games 9 |
2 |
Nash Equilibrium 11 |
|
2.1 |
Strategic Games 11 |
|
2.2 |
Nash Equilibrium 14 |
|
2.3 |
Examples 15 |
|
2.4 |
Existence of a Nash Equilibrium 19 |
|
2.5 |
Strictly Competitive Games 21 |
|
2.6 |
Bayesian Games: Strategic Games with Imperfect Information 24 |
|
|
Notes 29 |
3 |
Mixed, Correlated, and Evolutionary Equilibrium 31 |
|
3.1 |
Mixed Strategy Nash Equilibrium 31 |
|
3.2 |
Interpretations of Mixed Strategy Nash Equilibrium 37 |
|
3.3 |
Correlated Equilibrium 44 |
|
3.4 |
Evolutionary Equilibrium 48 |
|
|
Notes 51 |
4 |
Rationalizability and Iterated Elimination of Dominated Actions 53 |
|
4.1 |
Rationalizability 53 |
|
4.2 |
Iterated Elimination of Strictly Dominated Actions 58 |
|
4.3 |
Iterated Elimination of Weakly Dominated Actions 62 |
|
|
Notes 64 |
5 |
Knowledge and Equilibrium 67 |
|
5.1 |
A Model of Knowledge 67 |
|
5.2 |
Common Knowledge 73 |
|
5.3 |
Can People Agree to Disagree? 75 |
|
5.4 |
Knowledge and Solution Concepts 76 |
|
5.5 |
The Electronic Mail Game 81 |
|
|
Notes 84 |
II |
Extensive Games with Perfect Information 87 |
6 |
Extensive Games with Perfect Information 89 |
|
6.1 |
Extensive Games with Perfect Information 89 |
|
6.2 |
Subgame Perfect Equilibrium 97 |
|
6.3 |
Two Extensions of the Definition of a Game 101 |
|
6.4 |
The Interpretation of a Strategy 103 |
|
6.5 |
Two Notable Finite Horizon Games 105 |
|
6.6 |
Iterated Elimination of Weakly Dominated Strategies 108 |
|
|
Notes 114 |
7 |
Bargaining Games 117 |
|
7.1 |
Bargaining and Game Theory 117 |
|
7.2 |
A Bargaining Game of Alternating Offers 118 |
|
7.3 |
Subgame Perfect Equilibrium 121 |
|
7.4 |
Variations and Extensions 127 |
|
|
Notes 131 |
8 |
Repeated Games 133 |
|
8.1 |
The Basic Idea 133 |
|
8.2 |
Infinitely Repeated Games vs.\ Finitely Repeated Games 134 |
|
8.3 |
Infinitely Repeated Games: Definitions 136 |
|
8.4 |
Strategies as Machines 140 |
|
8.5 |
Trigger Strategies: Nash Folk Theorems 143 |
|
8.6 |
Punishing for a Limited Length of Time: A Perfect Folk Theorem for the Limit of Means Criterion 146 |
|
8.7 |
Punishing the Punisher: A Perfect Folk Theorem for the Overtaking Criterion 149 |
|
8.8 |
Rewarding Players Who Punish: A Perfect Folk Theorem for the Discounting Criterion 150 |
|
8.9 |
The Structure of Subgame Perfect Equilibria Under the Discounting Criterion 153 |
|
8.10 |
Finitely Repeated Games 155 |
|
|
Notes 160 |
9 |
Complexity Considerations in Repeated Games 163 |
|
9.1 |
Introduction 163 |
|
9.2 |
Complexity and the Machine Game 164 |
|
9.3 |
The Structure of the Equilibria of a Machine Game 168 |
|
9.4 |
The Case of Lexicographic Preferences 172 |
|
|
Notes 175 |
10 |
Implementation Theory 177 |
|
10.1 |
Introduction 177 |
|
10.2 |
The Implementation Problem 178 |
|
10.3 |
Implementation in Dominant Strategies 180 |
|
10.4 |
Nash Implementation 185 |
|
10.5 |
Subgame Perfect Equilibrium Implementation 191 |
|
|
Notes 195 |
III |
Extensive Games with Imperfect Information 197 |
11 |
Extensive Games with Imperfect Information 199 |
|
11.1 |
Extensive Games with Imperfect Information 199 |
|
11.2 |
Principles for the Equivalence of Extensive Games 204 |
|
11.3 |
Framing Effects and the Equivalence of Extensive Games 209 |
|
11.4 |
Mixed and Behavioral Strategies 212 |
|
11.5 |
Nash Equilibrium 216 |
|
|
Notes 217 |
12 |
Sequential Equilibrium 219 |
|
12.1 |
Strategies and Beliefs 219 |
|
12.2 |
Sequential Equilibrium 222 |
|
12.3 |
Games with Observable Actions: Perfect Bayesian Equilibrium 231 |
|
12.4 |
Refinements of Sequential Equilibrium 243 |
|
12.5 |
Trembling Hand Perfect Equilibrium 246 |
|
|
Notes 254 |
IV |
Coalitional Games 255 |
13 |
The Core 257 |
|
13.1 |
Coalitional Games with Transferable Payoff 257 |
|
13.2 |
The Core 258 |
|
13.3 |
Nonemptiness of the Core 262 |
|
13.4 |
Markets with Transferable Payoff 263 |
|
13.5 |
Coalitional Games without Transferable Payoff 268 |
|
13.6 |
Exchange Economies 269 |
|
|
Notes 274 |
14 |
Stable Sets, the Bargaining Set, and the Shapley Value 277 |
|
14.1 |
Two Approaches 277 |
|
14.2 |
The Stable Sets of von Neumann and Morgenstern 278 |
|
14.3 |
The Bargaining Set, Kernel, and Nucleolus 281 |
|
14.4 |
The Shapley Value 289 |
|
|
Notes 297 |
15 |
The Nash Solution 299 |
|
15.1 |
Bargaining Problems 299 |
|
15.2 |
The Nash Solution: Definition and Characterization 301 |
|
15.3 |
An Axiomatic Definition 305 |
|
15.4 |
The Nash Solution and the Bargaining Game of Alternating Offers 310 |
|
15.5 |
An Exact Implementation of the Nash Solution 311 |
|
|
Notes 312 |
|
List of Results 313 |
|
References 321 |
|
Index 341 |