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 …

manufacturing firms. First, there is a negative correlation between firms' productivity and their export share to low … found between the share of exports to lowincome countries and either productivity or R&D intensity is never in line with the …

-exporters. However, many firms from the lower end of the productivity distribution are exporters. Germany is a case in point. A recent … study reports that these low-productivity exporters are not marginal exporters defined according to the share of exports in … exports is much higher among exporters from the lower end of the productivity distribution than among highly productive …

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

productive than firms that only sell on the national market. This positive exporter productivity premium shows up in a large … firm fixed effects. These studies test for a difference in productivity between exporters and non-exporters at the … conditional mean of the productivity distribution. However, if firms are heterogeneous, it is possible that the size of the …

. -- Robust estimation ; panel data ; outliers ; Stata ; exporter productivity premium …

negative causal impact on employment in offshoring firms. The effect is positive and large for productivity, and weak evidence …

-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 …, too. -- Exports ; R&D ; productivity ; business services firms ; Germany …

for first order stochastic dominance it is shown that, in line with this hypothesis, the productivity distribution of … guide empirical work on the relation between exports, R&D and productivity. -- Exports ; R&D ; productivity ; Germany …

This paper contributes to the literature by comparing the productivity distribution for firms with various numbers of … goods. It applies a non-parametric test for first-order stochastic dominance of one productivity distribution over another … imported from, the higher is the productivity of the firms - not only on average, but over the whole productivity distribution …