## Strategic Multilateral Exchange: General Equilibrium with Imperfect Competition'To non-economists, it is hard to understand why economists spend so much effort on the competitive model whereas the world seems to be replete with large and powerful economic actors. In this respect, Jean Gabszewicz is atypical: he has spent most of |

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### Contents

1 | |

Strategic Multilateral Exchange and the Core | 13 |

1 Allocations in pure exchange economies | 15 |

2 The asymptotic approach | 28 |

3 Markets with an atomless sector | 69 |

Strategic Multilateral Exchange and Oligopoly Equilibrium | 109 |

4 The notion of oligopoly equilibrium | 111 |

5 The existence problem | 135 |

6 Economic applications | 146 |

7 Oligopoly equilibrium with a productive sector | 192 |

8 Conclusion | 205 |

207 | |

213 | |

### Other editions - View all

Strategic Multilateral Exchange: General Equilibrium with Imperfect Competition Jean Jaskold Gabszewicz No preview available - 2002 |

### Common terms and phrases

Accordingly agents of type aggregate analysis assignment assume assumption asymptotic approach atomless sector atoms autarkic autarkic equilibrium coalition collusive commodity bundle competitive allocation competitive equilibrium considered consisting consumers consumption contrary convex core allocation corresponding Cournot Debreu-Scarf defined demand function denote duopolist Edgeworth box endowment taxes equal equilibrium price example exchange economy exchange model exchange rate exists factor owners firms follows Furthermore Gabszewicz given imperfect competition implies imputation increase inequality initial endowment inside agents intertemporal large number large traders Lebesgue measure Lemma librium market power maximal element maximise mixed markets monopolist multilateral exchange n-tuple of strategies Nash equilibrium non-cooperative normalisation rule number of agents numeraire obtain oligopolists oligopoly equilibrium outcome Pareto-optimal partial equilibrium payoffs price system price vector production profit Proof Proposition quantity replicated result Section 1.1 set of competitive shareholders Shitovitz small traders strategy sets subset supply syndicate structure tax and transfer Theorem tion utility function utility level