A wide range of empirical studies has analysed the relationship between exports and productivity in the manufacturing … provides first evidence about export and productivity in the German business services sector. The database used is the German … exporting increases productivity. …

-parametric test for first order stochastic dominance it is shown that, in line with this hypothesis, the productivity distribution of …, therefore, seems to be useful to guide empirical work on the relation between exports, R&D and productivity for services firms …

and productivity hold in the years before the export start, which indicates self-selection into exporting of more …

sell their products on the home market only. This so-called exporter productivity premium qualifies as a stylized fact … extreme values drive the result. The large exporter productivity premium found for samples of firms including outliers are … estimated exporter productivity premium is statistically significant and relevant from an economic point of view when a standard …

document the first empirical results on the relationship between imports and productivity for Germany, a leading actor on the … systematically by testing for self-selection of more productive firms into importing, and for productivity-enhancing effects of … imports (learning-by-importing). We find a positive link between importing and productivity. From an empirical model with …