In association with the International Commission of Jurists

Author: Andrew Guzman

25 Mar

[Andrew Guzman is Professor of Law and Director of the Advanced Law Degree Programs at Berkeley Law School, University of California, Berkeley.] This is a superb book.  I say this without the slightest bit of surprise, as that is what one would expect from these authors.  In addition to the quality of the content, the book is all the more important because there is no comparable tour of international law from a law and economics perspective.  I have disagreements with some of the content of the book – it would be impossible to produce a serious book with respect to which other scholars were in total agreement – but this should now be a central part of the canon, not only of the law and economics of international law, but of international more broadly. It is perhaps a sign of a maturing discussion within international law that the book does not bother to include a discussion of why studying international law from an economic perspective is useful.  This area of legal scholarship has been slow to embrace analytical approaches and for many years anyone writing in that style felt the need to defend the methodology itself.  It would be wonderful if we have moved past that point. That said, it is worth noting that one of the benefits of an economic approach is that it encourages us to make clear our assumptions and models of behavior.  In so doing we more fully disclose our intellectual commitments which, in turn, allows others to challenge or build on our claims.  When we disagree, we can more effectively examine one another’s arguments and identify the precise points in dispute. In my brief comment, I would like to take advantage of this feature and build off of some of what Posner-Sykes say to make a point about international cooperation in general and, more explicitly, in the area of climate change.  I do not know if the authors would agree with my views, but the discipline imposed by an economic approach should, at a minimum, make clear why we disagree.
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14 Dec

For too many years American climate change debates were political contests in which scientific evidence took a back seat to political posturing, obfuscation, and ultimately, inaction. Today, the science demonstrating that our world is warming and that humans are a primary cause of this warming is unambiguous. Though there remain a few public voices willing to deny the...

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14 Feb

As this it my final post in connection with this discussion of my book, How International Law Works, I want to thank Opinio Juris for giving me this opportunity, and the commentators for so thoughtfully sharing their opinions. Much of the discussion has been about the methodology used in the book, and as I have had my say...

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13 Feb

In How International Law Works I grapple with the question of how states make the trade-off among the various features of agreements, including hard and soft law. I am not sure I agree that Kal’s empirical puzzle actually exists, but let’s assume it does and see why that might be so. A very similar question is discussed in...

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13 Feb

Kal’s comment raises some interesting questions about the nature of international law and what it means to be a treaty rather than soft law. He juxtaposes hard law and soft law, as I did in my opening comments. Let me suggest another comparison – hard law in the international context and domestic law. The contrast here is...

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12 Feb

I confess that I am a little surprised by the focus on methodological issues that has emerged in the discussion of my book. My intention was to adopt non-controversial rational choice assumptions widely used across both law and the social sciences. This approach to modeling behavior is dominant, for example, in both economics and political science. Equally...

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12 Feb

I think the discussion of rational choice explanations for human rights treaties has become a little muddled due to a lack of clarity in terminology. In particular, two terms need to be clarified. First, a “rational choice” approach implies an approach in which states have preferences which are complete, transitive, and stable. In my book and in...

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11 Feb

Let me first thank Peggy McGuinness and everyone at Opinio Juris for this wonderful opportunity to discuss my book. I also want to thank the commentators, Jeff Dunoff, Alex Geisinger, and Kal Raustiala for their willingness to participate. I know that I will benefit from the discussion. I hope that the commentators do as well, and that...

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29 Mar

[Andrew Guzman is Professor of Law at UC Berkeley, Boalt Hall and a discussant in the Opinio Juris On-line Symposium. He blogs regularly at the International Economic Law and Policy Blog] Eugene Kontorovich’s paper, Inefficient Customs in International Law is a welcome contribution to the growing analytical literature on customary international law (CIL). The question asked here is of...

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