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Do African countries suffer from their arbitrary boundaries? The authors test several hypotheses from the debate on this question. They differentiate, one by one, the degree of arbitrariness of African boundaries along two axes: the extent to which they partition preexisting political groupings (dismemberment) and the degree to which they bring together distinct precolonial political cultures (suffocation). They find that dismemberment is positively associated with international disputes and that suffocation magnifies the likelihood of civil wars, political instability, and secession attempts. The evidence appears to support claims that Africa has paid a substantial price for refusing to challenge some of the arbitrary boundaries it inherited from colonialism. The authors discuss the policy implications of their findings.
Englebert et al. (Sun,) studied this question.