When do armed revolts succeed: lessons from Lanchester theory
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- Atkinson, M., Gutfraind, A. & Kress, M. J Oper Res Soc (2012) 63: 1363. doi:10.1057/jors.2011.146
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Major revolts have recently erupted in parts of the Middle East with substantial international repercussions. Predicting, coping with and winning those revolts have become a grave problem for many regimes and for world powers. We propose a new model of such revolts that describes their evolution by building on the classic Lanchester theory of combat. The model accounts for the split in the population between those loyal to the regime and those favouring the rebels. We show that, contrary to classical Lanchesterian insights regarding traditional force-on-force engagements, the outcome of a revolt is independent of the initial force sizes; it only depends on the fraction of the population supporting each side and their combat effectiveness. The model's predictions are consistent with the situations currently observed in Afghanistan, Libya and Syria (September 2011), and it points to how those situations might evolve.