I review evidence that individuals associate themselves—or identify—with groups in two
fundamental ways: ingroup bias and conformity to group norms. The evidence spans many …

This article reviews the literature on the politics of bureaucracy in the developing world, with
a focus on service delivery and bureaucratic performance. We survey classic topics and …

Social and political tensions keep on fueling armed conflicts around the world. Although
each conflict is the result of an individual context-specific mixture of interconnected factors …

We complement the literature on distributive politics by taking a systematic look at regional
favoritism in a large and diverse sample of countries and by employing a broad measure …

Ethnic favoritism is seen as antithetical to development. This paper provides credible
quantification of the extent of ethnic favoritism using data on road building in Kenyan districts …

This study explores the consequences and origins of between-ethnicity inequality for a large
sample of countries. First, combining satellite images of nighttime luminosity with the …

As Africa's role on the global stage is rising, so does the need to understand the shadow of
history on the continent's economy and polity. We discuss recent works that shed light on …

We explore the consequences of ethnic partitioning, a neglected aspect of the Scramble for
Africa, and uncover the following. First, apart from the land mass and water bodies, split and …

Why are some African countries trapped in vicious cycles of ethnic exclusion and civil war,
while others experience relative peace? In this groundbreaking book, Philip Roessler …

The strong support that African presidents retain among voters of their own ethnicity, despite
clear evidence of shirking and corruption, has prompted numerous empirical investigations …