This paper analyzes the extent to which the reduction of import tariffs ‒ as a measure of import competition ‒ affects the quality upgrading of the food products exported to the EU. This relationship is studied within a ‘distance to the frontier’ model (Aghion et al., 2005) who predicts...

The paper analyses the impact of adopting new agricultural technologies on the multiple dimensions of food security for maize farmers in Tanzania. Relying on matching techniques, we use a nationally representative dataset to estimate the causal effects of improved seeds and inorganic fertilizers...

Melitz and Ottaviano’s (2008) firm-heterogeneity model predicts that trade liberalization induces a selection process from low to high productivity firms, which translates to an industry productivity growth. A similar firms’ selection effect is induced by market size. In this paper, these...