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...

Global simulation models are increasingly used to assess future scenarios and the impact of policies related to food security, land use and climate change. A crucial element in these studies are assumptions on productivity change and technical progress, the key drivers of long-run economic...

Recent global food price developments have spurred renewed interest in analyzing integration of local markets to global markets. A popular approach to quantify market integration is cointegration analysis. However, local market price data often has missing values, outliers, or short and...