How did Christianity expand in sub-Saharan Africa to become the continent's dominant religion? Using annual panel data on all Christian missions from 1751 to 1932 in Ghana, as well as cross-sectional data on missions for 43 sub-Saharan African countries in 1900 and 1924, we shed light on the...

How well did Kenyans do under colonial rule?  It is common sense that Kenyans suffered under exploitative colonial policies.  The overall impact, however, is uncertain.  This study presents fresh evidence on nutrition and health in colonial Kenya by (1) using a new and comprehensive data set...

As formalized by Montgomery (1991), referral by employees improves efficiency if the unobserved quality of a new worker is higher than that of unrefereed workers.  Using data compiled by army archives, we test whether the referral system in use in the British colonial army in Ghana served to...

Using a complete panel of Ghanaian cocoa producers' societies in the 1930s, we investigate whether group interaction problems threatened (i) capital accumulation, (ii) cocoa sales and (iii) cooperative survival as membership size increased.  We find evidence of group interaction problems.  The...

Sub-Sahara African populations are tall relative to the extremely adverse disease environment and their low incomes.  Selective mortality, which removes shorter individuals leaving taller individuals in the population, was proposed as an explanation.  From heights of surviving and...

Sub-Sahara African populations are tall relative to the extremely adverse disease environment and their low incomes. Selective mortality, which removes shorter individuals leaving taller individuals in the population, was proposed as an explanation. From heights of surviving and non-surviving...

Using a complete panel of Ghanaian cocoa producers’ societies in the 1930s, we investigate whether group interaction problems threatened i) capital accumulation, ii) cocoa sales and iii) cooperative survival as membership size increased. We find evidence of group interaction problems. The net...

As formalized by Montgomery (1991), referral by employees improves efficiency if the unobserved quality of a new worker is higher than that of unrefereed workers. Using data compiled from army archives, we test whether the referral system in use in the British colonial army in Ghana served to...

When European powers partitioned Africa, individuals of otherwise homogeneous communities were divided and found themselves randomly assigned to one coloniser. This provides for a natural experiment: applying a border discontinuity analysis to Ghana and Togo, we test what impact coloniser’s...