When Are Arms Races Dangerous? When Are Arms Races Charles L
When Are Arms Races Dangerous? When Are Arms Races Charles L. Glaser Dangerous? Rational versus Suboptimal Arming Are arms races dan- gerous? This basic international relations question has received extensive at- tention.1 A large quantitative empirical literature addresses the consequences of arms races by focusing on whether they correlate with war, but remains divided on the answer.2 The theoretical literature falls into opposing camps: (1) arms races are driven by the security dilemma, are explained by the rational spiral model, and decrease security, or (2) arms races are driven by revisionist adversaries, explained by the deterrence model, and increase security.3 These Charles L. Glaser is a Professor in the Irving B. Harris Graduate School of Public Policy Studies at the Uni- versity of Chicago. For their helpful comments on earlier drafts of this article, the author would like to thank James Fearon, Michael Freeman, Lloyd Gruber, Chaim Kaufmann, John Schuessler, Stephen Walt, the anonymous reviewers for International Security, and participants in seminars at the Program on In- ternational Security Policy at the University of Chicago, the Program on International Political Economy and Security at the University of Chicago, the John M. Olin Institute at Harvard Univer- sity, and the Institute of War and Peace Studies at Columbia. He also thanks John Schuessler for valuable research assistance. 1. The pioneering study is Samuel P. Huntington, “Arms Races: Prerequisites and Results,” Public Policy, Vol. 8 (1958), pp. 41–86. Historical treatments include Paul Kennedy, “Arms-Races and the Causes of War, 1850–1945,” in Kennedy, Strategy and Diplomacy, 1870–1945 (London: George Allen and Unwin, 1983); and Grant T.
[Show full text]