国家内部的行为体一般可分为两个: 政治- 行政系统行为体(political-administrative system actor)和有组织的私人行为体(organized private actor)。政治-行政系统行为体又分为政治行为体和行政行为体;私人行为体又分为公司、经济压力集团(行业协会)和政治倡议集体(group of political advocacy)。这些行为体的基本利益就是增加经济力量(收入和增产)和扩展决策权力。不过,它们的重要性在不同行为体的考虑中是有区别的。[9]
其实,无论是新现实主义还是自由主义对国家外交政策行为的分析都可以纳入到理性主义的框架之中。理性主义对国家对外行为的解释是基于国家作为“经济人”的行为体具有对成本-收益的计算能力,在外在结构和有限信息的约束条件下,追求利益最大化,即国家行为的逻辑是推论逻辑(logic of consequence)。[10]
二 建构主义的外交政策分析
理性主义外交政策的分析路径在冷战之后开始遭遇挑战。冷战的结束不仅改变了国际政治的地图,而且也激发了国际关系学界的大辩论。一些历史性的事件不仅成为检验理论的试金石,而且也是理论创新的催化剂。自从20 世纪90 年代以来,认同和文化重返国际关系学科领域。以认同、规范和文化为核心概念的建构主义成为国际关系理论的三根支柱之一。[11]建构主义认为国家是国际政治理论的主要分析单元,国际体系的结构是主体间性的,而不是物质的社会结构。这种社会结构是由共享的规范、主体间的观念和角色身份构成的,不同的文化赋予行为体(国家)不同的角色。国家的角色和身份并不是先定外生的,而是在互动的实践过程中,由社会结构建构形成的,行动者和结构是相互建构的,而不是一方决定另一方。[12]行动者的行为不是像理性主义所理解的那样,以经济人和效用最大化的方式来行动,而是以社会人和角色扮演者的面目出现。也就是说行动者的行为嵌入在社会结构(文化)之中,其行为受到社会规范的引导。这种社会规范使国际社会的行动者(国家)的行为遵守“适当性逻辑”(logic of appropriateness)。社会规范对新现实主义而言,在国际政治中没有因果作用,在对行为的分析中可以不需考虑;对新自由主义而言,只在一些问题领域有作用,并帮助具有既定利益的行为体去追求效用最大化,在对国家行为的分析中起到干预变量的作用;对建构主义来说,社会规范不只是规定和限制了行动者的行为,而且还建构了行动者的身份,使行为合法化,并定义了行为体的利益,由此而决定了行动者的行为。
[1] David J.Singer, “The Level of Analysis Problem in International Relations Theory”, in Andrew Linklater,ed., Critical Concepts in Political Science, Routledge, 2000, pp.835-848.
[2] 参见[美]肯尼思·沃尔兹著,胡少华等译:《国际政治理论》,北京:中国人民公安大学出版社,1992年版。Kenneth N.Waltz,“International Politics Is Not Foreign Policy,” Security Studies, Vol.6, No.1, 1996, pp.54-57.
[3] Colin Elman,“Horse for Course: Why Not Neo-realist Theories of Foreign Policy?” Security Studies, Vol.6, No.1, 1996, p.14.
[4] Colin Elman,“Horse for Course: Why Not Neo-realist Theories of Foreign Policy?”p.48.
[5] James D. Fearon, “Domestic Politics, Foreign Policy, and Theories of International Relations”, Annual Review of Political Science, 1998, pp.297-298.
[8] Volker Rittberger, et al.,eds., German Foreign Policy since Unification, Manchester University Press, 2001,pp.45-47.
[9] Volker Rittberger, et al., eds., German Foreign Policy since Unification, pp.69-100.
[10] 关于此处的推论逻辑和下面涉及的适当性逻辑的概念,参见James G.March, and Johan P. Olsen,“The Institutional Dynamics of International Political Orders,” International Organization, Vol.52, No.4, 1998, pp.943-969。
[11] Stephen M. Walt, “International Relations: One World, Many Theories”, Foreign Policy, Spring 1998, pp.29-46.
这里的建构主义主要指中间立场的建构主义。
[12] Alexander Wendt, “Collective Identity Formation and the International State”, American Political Science Review, Vol.88, No.2, 1994, pp.384-396.
[13] Volker Rittberger,et al.,eds., German Foreign Policy since Unification, pp.115-132.
[16] Paul A. Kowert,“National Identity: Inside and Out,”in Glenn Chafetzs, Michael Spirtas and Benjamin Frankel,
eds., The Origin of National Interests, Frank CASS Publishers, 1999, pp.1-34.
[17] Steven Smith, “Foreign Policy Is What States Make of It: Social Construction and International Relations Theory”, in Vendulka Kubalkova, ed., Foreign Policy in a Constructed World, M.E.Sharpe, 2001, pp.38-55.
[18] Matha Finnemore, National Interests in International Society, Cornell University Press,1996. Peter J.Katzstein,The Culture of National Security, Columbia University Press, 1996. Emanuel Adler and Michael Barnett, eds., Security Communities, Cambridge University Press, 1998.
[19] 亚历山大·温特:《国际政治的社会理论》,第13 页。
[20] Thomas Banchoff,“German Identity and European Integration,” European Journal of International Relation, Vol.5,No.3,1999,pp.259-289.Josef Janning, “A German Europe —-A European Germany? On the Debate over Germany’s Foreign Policy”, International Affairs, No.1,1996, pp.33-41. Volker Rittberger,ed., German Foreign Policy since Unification, pp.11-31.
[21] John Mearsheimer,“Back to Future: Instability in Europe after Cold War”, International Security, Vol.15, No.1, 1990, pp.5-56. Kenneth N. Waltz, “Emerging Structure of International Politics”, International Security, Vol.18, No.2, 1998, pp.44-79. Volker Rittberger, et al., eds., German Foreign Policy since Unification, pp.11-31.
[22] Peter J. Katzenstein, ed., Tamed Power: Germany in Europe, Cornell University Press, 1997, pp.1-48.
[23] Thomas Banchoff, “German Identity and European Integration”, p.283.
[24] John Duffield, “Political Culture and State Behavior”, International Organization, Autumn 1999, pp.763-803.
[25] Volker Rittberger, et al., eds., German Foreign Policy since Unification, p.323.
[26] Yucel Bozdaghoglu, Turkish Foreign Policy and Turkish Identity, pp. 4-8.
[27] Yucel Bozdaghohlu, Turkish Foreign Policy and Turkish Identity, p. 83.
[30] Yong Deng, “Escaping the Periphery: China’s National Identity in World Politics”, pp.42-70. Hongying Wang, “Multilateralism in Chinese Foreign Policy: The Limits of Socialization?” in Weixing Hu, Gerald Chan and Daojiong Zha, eds., China’s International Relations in the 21st Century: Dynamics of Paradigm Shifts, University Press of America, 2000, pp.71-91.