Abstract
Most empirical research on international conflict has focused on national, dyadic, and systemic attributes to understand state behavior. Following the ideas of Vasquez & Mansbach, this study argues that scholars must take into account the issues and their salience over which states are in dispute in order to explain the onset and escalation of conflict. The article begins with a review of the most prominent data sets and models in the subfield. Most of the prominent theoretical approaches explicitly or implicitly ignore the issues in dispute. Furthermore, only a few of the available conflict data sets include issue components and even then only in a limited fashion. Several reasons for this are reviewed, including those related to
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