“…The assumption of ethnic favoritism is reflected in the results of public opinion polls conducted across the continent (KIPPRA Research Team, 2012) and undergirds the leading theories that have been advanced to explain voting behavior (Bates, 1983;Carlson, 2015;Ferree, 2006;Ichino and Nathan, 2013;Posner, 2005), economic policymaking (Easterly and Levine, 1997), and the structure of clientelist networks (Wantchekon, 2003), among other outcomes. However, while anecdotal examples of ethnic favoritism abound, the volume of systematic empirical work documenting its existence is incommensurate with the importance of the phenomenon in our understanding of African affairs.…”