This book evaluates the extent to which post-conflict reconstruction has addressed problems of horizontal inequalities through country case studies on Burundi, Rwanda, Nepal, Peru, Guatemala, Bosnia and Herzegovina, and Afghanistan, and four thematic studies on macro-economic policies,...

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...

This paper argues that the reduction of horizontal inequalities (HIs) or inequalities between culturally defined groups should inform aid policy in heterogeneous countries with severe HIs. It shows how this would change aid allocation across countries, leading to more aid to heterogeneous...

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...

This introduction provides an overview of the special issue. The papers in this issue contribute to our understanding of the contrasting histories of Ghana and Nigeria. The papers confirm the importance of horizontal inequalities as a source of political instability and violent conflict, and...