Jacob Moscona, Nathan Nunn, James Robinson, 09 January 2018

In recent years, it has become clear that characteristics of pre-colonial African societies are an important determinant of their current economic development. This column evaluates the hypothesis that segmentary lineage organisation – a common social structure among ethnic groups in sub-Saharan Africa – causes more conflict today. Ethnic groups in Africa with a social structure marked by kinship are found to show a greater propensity for violent conflict.

Jacob Moscona, Nathan Nunn, James Robinson, 09 January 2018

Benjamin Enke, 21 September 2017

Daily life requires us to cooperate with a large number of – potentially unrelated – people. This column argues that cultural variation in the ways people cooperate with each other are empirically associated with fundamentally different religious beliefs, moral values, emotions of shame and guilt, social norms, and institutions. This suggests that various psychological, biological, and institutional mechanisms co-evolved to support specific social cooperation systems.

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