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The research finds that large youth cohorts significantly increase the risk of political violence primarily in societies with low male secondary education levels. This effect is most pronounced in low and middle-income countries, particularly in Sub-Saharan Africa. The study supports the 'opportunity cost' hypothesis, suggesting that higher education reduces the incentive for young men to join rebel organizations. Conversely, it finds no evidence that rapid educational expansion or low progression ratios between education levels increase conflict risk.

The study finds that conflicts with religious cleavages are significantly more intense than non-religious ones. The effect on duration is ambiguous: religious conflicts are more likely to terminate in their early stages but are harder to end once they have lasted at least two and a half years.

The study analyzes 285 conflict episodes to determine how natural resources affect the duration of postconflict peace. It identifies three primary mechanisms: distribution, financing, and aggravation. The findings indicate that while natural resource conflicts generally show shorter peace periods bivariately, only conflicts driven by disagreements over the distribution of resources and revenues significantly increase the risk of recurrence in a multivariate analysis. This suggests that resource-related grievances are a more persistent driver of conflict relapse than the mere opportunity to finance warfare.

The study finds no general statistical relationship between forest resources and the onset or duration of civil wars at the national level. While some disaggregated results suggest that proximity to the coast may prolong conflicts in forested zones, the authors conclude that the perceived link between forests and conflict is largely driven by a few specific cases, such as Burma, rather than a global pattern.