A large body of recent quantitative work on the 'diversity detriment' hypothesis finds that ethno-religious diversity is linked with a host of societal ills, implying in turn a strong challenge to multiculturalist theory and policies. Given the stakes, the appropriate conceptualization and...

We define and axiomatically characterize an index of ethnic stratification that measures the extent to which the hierarchy in socio-economic positions across the individuals of a society follows ethnolinguistic lines. This index generalizes the idea of between-group inequality to situations...