Bücher der Reihe Studies in Security and International Affairs Ser.

Offers a book-length study of why states sometimes ignore, oppose, or undermine elements of the nuclear nonproliferation regime. These essays show that attitudes on nonproliferation depend on a ""complex, contingent decision calculus"", as states gauge how their actions within the regime will affect trade, regional standing, and other interests.

Examines the patterns of migration flows during the post-World War II period, with particular attention to crises or shocks to the international system, as in the case of migration following the recent conflicts in Afghanistan and Syria. The authors' analysis makes several important contributions to this debate.