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History and Theory of International Law - “L’être situé”, Effectiveness and Purposes of International Law: Essays in Honour of Professor Ryuichi Ida edited by Shotaro HAMAMOTO, Hironobu SAKAI, and Akiho SHIBATA. Leiden/Boston: Brill-Nijhoff, 2015. 315 pp. Hardcover: $161.

Published online by Cambridge University Press:  13 January 2017

Yang LIU*
Affiliation:
University of Hong Kong
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Abstract

Type
Book Reviews
Copyright
© Asian Journal of International Law 2017 

Professor Ida’s profound thoughts on international law are scattered in numerous books and papers that he has produced over a prestigious academic career. In this volume dedicated to Professor Ida at his retirement, the contributors have been able to pick up one point each and develop it further in their analysis of a contemporary issue.

The volume addresses three major concepts developed by Professor Ida. Part I concerns what Professor Ida described as “l’être situé”, which requires that states be viewed in concrete contexts rather than as abstract and equal sovereigns. The idea was initiated in international development law, a relatively new branch of international law that burgeoned only after World War II. The key point is the differential treatment between developing and developed countries in order to compensate for substantive injustice. This thinking is further elaborated in Professor Zhian Wang’s theoretical contribution on the functional approach to international development law (Chapter 3), and is also put to test in four scenarios: fair and equitable treatment in international investment treaties (Chapter 1), the accession of developing countries to the WTO (Chapter 2), Thailand’s experience with the WTO dispute settlement mechanism (Chapter 4), and universal jurisdiction (Chapter 5). These analyses demonstrate that the dichotomy between developing and developed countries has begun to exert normative influence on international law, but that such influence is mostly limited to the field of development.

The title of Part II is vivid and seems self-explanatory: “Effectiveness: Formality of Law and Amorphous Reality.” It goes well beyond an empirical discussion of the extent to which certain rules of international law have in reality performed effectively. While the three contributions in this part do not contain much direct reference to Professor Ida’s work on the effectiveness of international law, they represent a pleasing effort to explore ways by which to enhance the effectiveness of some of the most cutting-edge international law regime issues of our time: the institutional design of Japan’s free trade agreements (Chapter 6), the test for provisional measures in investor-state arbitration (Chapter 7), and the relationship between the United Nations and the African Union on matters concerning peace and security (Chapter 8). Accordingly, three possible methods of ensuring effectiveness are identified: flexibility in treaty design, the balancing of contrasting interests, and dialectical dialogue. Implicit in the thinking of the three contributors is the idea of balancing amongst different actors and their interests. The purpose is not to give better effect to rules but to tackle real problems and, accordingly, this is an understanding of effectiveness that differs from that traditionally used in international law.Footnote 1

The third part addresses international law-making, which is analyzed through the perspective of the social dependence of law as applied to international law. This is one of Professor Ida’s basic ideas regarding international law: that the normative effect of international law largely depends on its effectiveness, which in turn hinges on the compliance consciousness of states. Perhaps the best illustration of this approach is soft law, which is addressed in two of the contributions in this part. While soft law acts as the bridge between social needs and hard law (Chapter 12), the former also has the normative implications of clarifying, supplementing, and adapting the latter (Chapter 10). Other examples of compliance consciousness can be found in the very existence of a rule on necessity in times of emergency (Chapter 11) and the interaction between domestic and international law in the implementation of international environmental liability (Chapter 9). The four contributions have successfully demonstrated the value of social dependence as an analytical tool additional to the traditional sources doctrine by which to approach international law-making.

The three themes examined exhibit a deviation from the positivist and rule-based view of international law, and the whole volume may well be considered a proper case-study for an anti-formalistic thinking in international law. Though as an edited volume, each of the contributions may not necessarily be closely tied to one overall theme, the book, with its excellent combination of theory and practice, still constitutes a significant contribution to the study of international law in the contemporary period.

References

1. For an earlier discussion on effectiveness in international law, see e.g. Hans KELSEN, Principles of International Law (New York: Rinehart & Company, 1952) at 414.