colleagues. We estimate the rate of knowledge diffusion inside the firm using three matched worker-firm data sets from Benin … the rate of knowledge diffusion is around 7 percent in Morocco and Senegal and much higher in Benin, but part of the …

colleagues. We estimate the rate of knowledge diffusion inside the firm using two matched worker-firm data sets from Morocco and … for firm heterogeneity using firm factors derived from a principal component analysis. We find that the rate of knowledge …