Incluye bibliografías e índice.

1. Introduction: 1.1 Trade policy and market power ; 1.2 Strategic effects ; 1.3 Production efficiency ; 1.4 The political economy of the new theory ; 1.5 Organization -- 2. Trade policy under perfect competition: 2.1 Tariff analysis ; 2.2 Import quotas ; 2.3 Export subsidies and taxes ; 2.4 Optimal trade taxes ; 2.5 A note on general equilibrium ; 2.6 Domestic distortions and trade policy ; 2.7 Algebra for small policy changes -- 3. Protection and domestic market power: 3.1 The case of an import-competing monopolist ; 3.2. Noncooperative domestic oligopoly ; 3.3 Collusive domestic oligopoly -- 4. Foreign market power: 4.1 Optimal policies against a foreign monopolist ; 4.2 Trade taxes ; 4.3 Quotas ; 4.4 Optimal trade taxes ; 4.5 Kinked demand ; 4.6 Cournot oligopoly ; 4.7 Bertrand oligopoly ; 4.8 Ad valorem trade taxes ; 4.9 Quotas under oligopoly ; 4.10 Appendix to section 4.9 -- 5. Strategic export policy: 5.1 Competitive foreign conduct ; 5.2 Profit shifting ; 5.3 Price competition ; 5.4 Entry with increasing returns ; 5.5 Resource constraints; two-way export policies ; 5.6 Consumption effects -- 6. Strategic import policy: 6.1 Tariffs: the Cournot case ; 6.2 Tariffs:the Bertrand case ; 6.3 Import quotas -- 7. Intraindustry trade: 7.1 A basic monopolistic competition model ; 7.2 Tariffs and the terms of trade ; 7.3 The production efficiency effect ; 7.4 Tariffs that lower prices: the home market effect; tariffs and segmented markets -- 8. Quantification: 8.1 Problems of quantification ; 8.2 Models with fixed numbers of firms ; 8.3 Models with free entry ; 8.4 General equilibrium modeling -- 9. Conclusions: 9.1 Methodology ; 9.2 Surprising effects of policy ; 9.3 The welfare effects of trade policy; where do we go from here?.