How the Bomb Shapes Leaders: The Psychology of Power and Prevention | Caleb Pomeroy

About the Event: How does possession of nuclear weapons affect decisionmaker psychology? Extensive research documents the causes of proliferation, but we know far less about the psychological consequences of this proliferation. Drawing on advances in psychological research on power, this paper expects that possession of nuclear weapons increases support for preventive war. In contrast to conventional security and prestige arguments, the feeling of power activates a curious combination of fear and overconfidence -- the hallmark features of preventive war thinking. The paper examines this expectation through internal documents in the Truman and Eisenhower Administrations. The findings shed new light on the effects of nuclear weapons on foreign policy in general, as well as the sources of preventive war thinking in particular.

About the Speaker: Caleb Pomeroy is a Stanton Nuclear Security Fellow at Stanford University’s Center for International Security and Cooperation. He researches the psychology of power in international relations, notably the effects of relative state power on human thought and behavior. His work is published or forthcoming at International Organization, International Studies Quarterly, Journal of Peace Research, and Security Studies, among other outlets. He holds a PhD in International Relations from The Ohio State University, an MSc in Contemporary Chinese Studies from the University of Oxford, an MSc in Security Studies from University College London, and a BA in Economics from Boston College.

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