Inequalities between ethnic or racial groups, defined as horizontal inequalities, are pervasive and persistent. They persist due to cumulative and reinforcing inequalities arising from unequal access to different types of capital. Affirmative action policies can provide promising opportunities...

Horizontal inequalities (HIs) within a country, or inequalities among groups, have been shown to be an important source of violent conflict. Relevant group categorizations include religion, ethnicity, and region. HIs can also be measured in different ways. Ethnicity, language, religion, race,...

Today, the cohesion of multi-ethnic societies is at risk across the globe. Throughout history, to the present day, African countries have been facing this challenge. Historical inequalities and social division undermine cohesion and sow seeds of instability. How can Africa build a future where...