Foster-McGregor, Neil; Isaksson, Anders; Kaulich, Florian - In: Economics Letters 125 (2014) 2, pp. 212-214
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.