How International Law Works presents a theory of international law, how it operates, and why it works. Though appeals to international law have grown ever more central to international disputes and international relations, there is no well-developed, comprehensive theory of how international law shapes policy outcomes.

Filling a conspicuous gap in the literature on international law, Andrew T. Guzman builds a coherent theory from the ground up and applies it to the foundations of the international legal system. Using tools from across the social sciences Guzman deploys a rational...

Cooperation, Comity, and Competition Policy, edited by Andrew T. Guzman, illustrates how domestic competition law policies intersect with the realities of international business. It offers a discussion of what might be done to improve the way in which cross-border business is handled by competition policy.

The first part of the book provides country reports written by local experts explaining the extraterritorial reach of national laws. Each country report summarizes existing domestic law and examines the conditions under which...

Deniers of climate change sometimes quip that claims about global warming are more about political science than climate science. They are wrong on the science, but may be right with respect to its political implications. A hotter world, writes Andrew Guzman, will bring unprecedented migrations, famine, war, and disease. It will be a social and political disaster of the first order.

In Overheated, Guzman takes climate change out of the realm of scientific abstraction to explore its real-world consequences. He writes not as a scientist, but as an authority on international law and...