TY - JOUR TI - Learning-by-exporting versus self-selection: New evidence for 19 sub-Saharan African countries AB - We examine learning-by-exporting effects of manufacturing and services firms in 19 sub-Saharan African countries. Comparing several outlier-robust estimators, our results provide evidence for positive effects in the manufacturing sector when using the MM estimator, but not in the services sector. DO - http://dx.doi.org/10.1016/j.econlet.2014.09.011 SP - 212 EP - 214 UR - http://www.sciencedirect.com/science/article/pii/S0165176514003474# PY - 2014-01-01 JO - Economics Letters AU - Foster-McGregor, Neil AU - Isaksson, Anders AU - Kaulich, Florian ER -