. In the developed countries, lower trade and unit wage costs, and hence, a strong and positive labour productivity matter …

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 …

We estimate the relative roles of factor inputs and productivity in explaining the level of economic development, which … is measured as output per worker. For a large sample of countries, we show that alternative identifying productivity … productivity in a decomposition of output per worker. For a sample of OECD countries, we find that productivity has almost no role …