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Complicity and the Law of State Responsibility


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Part of Cambridge Studies in International and Comparative Law

  • Date Published: September 2013
  • availability: Available
  • format: Paperback
  • isbn: 9781107682153

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About the Authors
  • This systematic analysis of State complicity in international law focuses on the rules of State responsibility. Combining a theoretical perspective on complicity based on the concept of the international rule of law with a thorough analysis of international practice, Helmut Philipp Aust establishes what forms of support for wrongful conduct entail responsibility of complicit States and sheds light on the consequences of complicity in terms of reparation and implementation. Furthermore, he highlights how international law provides for varying degrees of responsibility in cases of complicity, depending on whether peremptory norms have been violated or special subject areas such as the law of collective security are involved. The book shows that the concept of State complicity is firmly grounded in international law, and that the international rule of law may serve as a conceptual paradigm for today's international legal order.

    • Offers a general and systematic treatment of the issue of State complicity in international law that will be of invaluable help for academics and practitioners interested in complicity
    • Analysis of international practice and case law on State complicity allows scholars and practitioners to get an overview of the potential implications of State complicity
    • Develops the importance of State complicity from an innovative rule of law perspective, thus making readers aware of the theoretical implications of complicity
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    • Winner of the 2013 Hermann Mosler Prize, German Society for International Law

    Reviews & endorsements

    'It was high time for an academic treatment of this fundamental issue for the international legal order. A decisive contribution in this regard has now been made by Helmut Philipp Aust … The history, content, structure and international legal context of the norm are analysed by the author in a comprehensive and precise manner. This is also true for the conflicts between law, morals and politics which impact upon the development and interpretation of the rule on complicity. Aust takes the position of a carefully balancing pragmatist who clearly identifies international legal deficits, but refrains from moral rigour. In general, the book excels in its high relevance to practice.' Translated from the Frankfurter Allgemeine Zeitung

    '… a structured and insightful analysis of this area of international law and … a timely examination of the subject … Due to its breadth, depth of coverage, and systematic analysis, Aust's work will likely become regarded as an important treatise on state complicity.' Nathaniel Yong-Ern Khng, Yale Journal of International Law

    '… excellent … Aust provides a comprehensive examination of state practice as it relates to complicity, along with a thought-provoking theoretical discussion of where the concept might fit within the current and future development of international law.' Michael Byers, European Journal of International Law

    '… essential for understanding the notion of complicity … The discussions in the book rest on an impressive range of material and on rigorous reasoning, the whole being written in a direct and engaging style. Reading of this book is to be recommended to everyone interested in the law of international responsibility.' Olivier Corten, translated from the Revue Belge de Droit International

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    Product details

    • Date Published: September 2013
    • format: Paperback
    • isbn: 9781107682153
    • length: 522 pages
    • dimensions: 229 x 152 x 27 mm
    • weight: 0.69kg
    • availability: Available
  • Table of Contents

    1. Introduction
    2. Complicity between bilateralism and community interest
    3. Complicity and the international rule of law
    4. Complicity in customary international law
    5. The concept of complicity in Article 16 ASR
    6. The consequences of complicity
    7. Complicity and aggravated responsibility
    8. A network of rules on complicity
    9. Concluding observations.

  • Author

    Helmut Philipp Aust, Freie Universität Berlin
    Helmut Philipp Aust is a Senior Research Fellow at the Humboldt-Universität zu Berlin.


    • Winner of the 2013 Hermann Mosler Prize, German Society for International Law

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