document the first empirical results an the relationship between imports and productivity for Germany, a leading actor an the … systematically by testing for selfselection 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 …

firms always have a higher market share, there is no monotonic relationship between firms' productivity level and their … effect'. Therefore, the incentive to add more products weakens as productivity rises. This leads to Lemma 3 in Feenstra and … evidence is in line with the results from the theoretical model. -- Multi-product firms ; productivity ; optimal product scope …

and gender) and its performance (productivity and profitability) for a large representative sample of enterprises from … level surveys performed by the Statistical Offices. Our microeconometric analysis confirms previous findings of concave age-productivity … the ceteris paribus lower level of productivity in firms with a higher share of female employees does not go hand in hand …

performance indicators, productivity and profitability. …