Introducing ν-CLEAR: a latent variable approach to measuring nuclear proficiency

Bradley C. Smith and William Spaniel
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Bradley C. Smith: Department of Political Science, Vanderbilt University, USA
William Spaniel: Department of Political Science, University of Pittsburgh, USA

Conflict Management and Peace Science, 2020, vol. 37, issue 2, 232-256

Abstract: The causes and consequences of nuclear proficiency are central to important questions in international relations. At present, researchers tend to use observable characteristics as a proxy. However, aggregation is a problem: existing measures implicitly assume that each indicator is equally informative and that measurement error is not a concern. We overcome these issues by applying a statistical measurement model to directly estimate nuclear proficiency from observed indicators. The resulting estimates form a new dataset on nuclear proficiency which we call ν -CLEAR. We demonstrate that these estimates are consistent with known patterns of nuclear proficiency while also uncovering more nuance than existing measures. Additionally, we demonstrate how scholars can use these estimates to account for measurement error by revisiting existing results with our measure.

Keywords: Item response theory; latent variable models; nuclear capability; proliferation (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:compsc:v:37:y:2020:i:2:p:232-256

DOI: 10.1177/0738894217741619

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