Melitz and Ottaviano’s (2008) firm heterogeneity model predicts that trade liberalization induces a selection process from low to high productivity firms, that translates into an industry productivity growth. A similar firms’ selection effect is induced by market size. These predictions are...

The recent period of high and volatile food prices has cast doubt on many longstanding assumptions such as the inevitability of declining real food prices, and brought to an end a long period of food price stability. Some of the key driving forces appear to have been declines in yield growth for...

This paper analyzes the extent to which the reduction of import tariffs – as a measure of import competition – affects the rate of quality upgrading in the agri-food sector. This relation is studied using highly disaggregated EU-15 import data from more than 70 countries in thousands of food...