An Interactive Model of the Democratic Peace: Revisiting the Theory with Elastic Measures

38 Pages Posted: 3 Jan 2018

See all articles by David Altman

David Altman

Pontifical Catholic University of Chile

Federico Rojas-de-Galarreta

Pontifical Catholic University of Chile

Francisco Urdinez

King's College London

Date Written: January 1, 2018

Abstract

Democracies do not take up arms against each other. This axiom has attained the status of a mantra in the field of international relations. As previous research has shown, however, the truth of this statement is highly contingent on the definitions of both democracy and conflict. Based on this fact, this project has two aims: one empirical and one theoretical. Empirically, it revises this literature, making three substantial improvements: 1) it uses a more robust and transparent measure of democracy (V-DEM); 2) it does not rely on arbitrary cut points between democratic and non-democratic regimes; and 3) it combines the theoretical perspectives of similarity-based and normative views on the reasons behind the peace among regimes. These methodological improvements allow us to generate a new theory of democratic peace, which complements both similarity-based and institutional arguments. We find robust evidence that the higher a dyad’s level of democracy, and the smaller the difference between the democratic scores of its members (‘democratic spread’), the lower the probability of war (and also militarized interstate disputes, MID) between that pair of states. Thus, not only is the core principle of the democratic peace revealed to be strong enough to withstand different measures of democracy, but it also offers an alternative explanation of conflict.

Suggested Citation

Altman, David and Rojas-de-Galarreta, Federico and Urdinez, Francisco, An Interactive Model of the Democratic Peace: Revisiting the Theory with Elastic Measures (January 1, 2018). V-Dem Working Paper 2018:61. Available at SSRN: https://ssrn.com/abstract=3095526 or http://dx.doi.org/10.2139/ssrn.3095526

David Altman (Contact Author)

Pontifical Catholic University of Chile ( email )

Federico Rojas-de-Galarreta

Pontifical Catholic University of Chile ( email )

Av Libertador General Bernardo O'Higgins 340
Santiago, Región Metropolitana 8331150
Chile

Francisco Urdinez

King's College London ( email )

Strand
London, England WC2R 2LS
United Kingdom

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