De jure powersharing 1975–2019: Updating the Inclusion, Dispersion, and Constraints Dataset

Alix Ziff, Miriam Barnum, Ashley Abadeer, Jasmine Chu, Nicole Jao, Marie Zaragoza and Benjamin AT Graham
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Alix Ziff: Department of Political Science and International Relations, University of Southern California, USA
Miriam Barnum: Department of Political Science, Purdue University, USA
Ashley Abadeer: Department of Political Science and International Relations, University of Southern California, USA
Jasmine Chu: Department of Political Science and International Relations, University of Southern California, USA
Nicole Jao: Department of Political Science and International Relations, University of Southern California, USA
Marie Zaragoza: Department of Political Science and International Relations, University of Southern California, USA
Benjamin AT Graham: Department of Political Science and International Relations, University of Southern California, USA

Journal of Peace Research, 2025, vol. 62, issue 4, 1292-1303

Abstract: Powersharing institutions are often prescribed to enhance civil peace, democratic survival, and the equitable provision of public services, and these institutions have become more prevalent over time. Nonetheless, the past decade has seen a rise in democratic backsliding and competitive authoritarianism, raising questions about how the relationship between powersharing, democracy, and civil peace may be evolving. This article introduces an update to the Inclusion, Dispersion, and Constraints (IDC) powersharing dataset that adds nine years of data, up through 2019. These new data include enhanced intercoder reliability checks, a significant reduction in missing values, and the documentation and correction of some coding errors in the original data. We also employ latent variable models to estimate each of three types of powersharing, allowing scholars to account for measurement uncertainty in analyses of the causes and consequences of powersharing. This dataset allows scholars to address urgent questions about whether previously observed relationships between powersharing and democracy and powersharing and civil peace still hold in this new era, and in what contexts powersharing institutions remain advisable.

Keywords: backsliding; constraining powersharing; decentralization; democratic survival; dispersive powersharing; inclusive powersharing; powersharing (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:sae:joupea:v:62:y:2025:i:4:p:1292-1303

DOI: 10.1177/00223433241271879

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