Abstract
This paper analyzes the implications of social choice theory for the study of world politics. A view of the world system as a social choice mechanism leads to the observation that the outcomes of world politics are determined neither by structure nor by preferences alone, but rather by their interaction. Structural change occurs only when the actors cannot achieve their preferences through the current system. Three particular social choice mechanisms are analyzed to determine which conditions of Arrow's theorem they violate. The argument is illustrated by examining two salient theoretical works, Waltz's Theory of International Politics and Gilpin's War and Change in World Politics. The critique of Waltz illustrates that structure alone cannot determine outcome; the critique of Gilpin examines how structural change occurs in world politics and underlines the importance of preferences in such changes.
Published Version
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