increased competition from demand shocks in export markets - and the induced product mix reallocations - induce productivity … changes within the firm. We then empirically test for this connection between the demand shocks and the productivity of multi …-product firms exporting to those destinations. We find that the effect of those demand shocks on productivity are substantial - and …

-exporters are unaffected. Models with firm heterogeneity in total factor productivity predict the opposite. To solve this puzzle, we …

We analyze the foundations of the relationship between trade and total factor productivity (TFP) in the Ricardian model … "many" low-productivity industries exit the market. We derive a model-based measure of this effect that requires only …

hold a comparative advantage. This paper aims at quantifying the effects of such competitive pressures on the productivity … causal relationship between the increase of developing countries' world market shares and Italian productivity across sectors …

allocative and productive efficiency. We review theory and recent evidence on these linkages and also explore a third effect on …