Enforcement is a fundamental challenge for international law. Sanctions are costly to impose, difficult to coordinate, and often ineffective at accomplishing their goals. Rewards are likewise costly and domestically unpopular. Thus, efforts to address pressing international problems-such as...

A trope of international law scholarship is that the United States is an “exceptionalist” nation, one that takes a distinctive (frequently hostile, unilateralist, or hypocritical) stance toward international law. However, all major powers are similarly “exceptionalist,” in the sense that...

Research examining whether the laws of war change state behavior has produced conflicting results, and limitations of observational studies have stalled progress on the topic. To bring new evidence to the debate, I have conducted a survey experiment that directly tests whether one mechanism...