Clark, David H.; Regan, Patrick M. - In: Journal of Conflict Resolution 47 (2003) 1, pp. 94-115
phenomena; as a result, scholars often resort to indirect indicators of the phenomenon in question. Opportunity comprises one … different states have different opportunities to fight, measuring opportunity has proved to be a daunting task. This study … presents a statistical method that treats unobserved concepts (such as opportunity) as latent variables. The procedure derives …