文章基本信息

标题：On policy interactions among nations: when do cooperation and commitment matter?
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作者：Hubert Kempf ; Leopold von Thadden
期刊名称：Euro Area Balance of Payments and International Investment Position Statistics
印刷版ISSN：1830-3420
电子版ISSN：1830-3439
出版年度：2008
卷号：1
出版社：European Central Bank
摘要：This paper o􀀞ers a framework to study commitment and cooperation issues in games with multiple policymakers. To reconcile some puzzles in the recent literature on the nature of policy interactions among nations, we prove that games characterized by di􀀞erent commitment and cooperation schemes can admit the same equilibrium outcome if certain spillover e􀀞ects vanish at the common solution of these games. We provide a detailed discussion of these spillovers, showing that, in general, commitment and cooperation are non-trivial issues. Yet, in linear-quadratic models with multiple policymakers commitment and cooperation schemes are shown to become irrelevant under certain assumptions. The framework is su􀀡ciently general to cover a broad range of results from the recent literature on policy interactions as special cases, both within monetary unions and among fully sovereign nations.
关键词：Monetary policy; Fiscal regimes.