This paper estimates firm-level mark-ups and their volatility along the agri-food value chain using the methodology of De Loecker and Warzynski (2012). We estimate mark-ups of farmers, processors, wholesalers and retailers, how they change over time, and their volatility. We use detailed...

The rapid transformation of agri-food value chains in Africa and other developing countries hasimportant implications for economic growth and poverty reduction. Policy makers increasinglyrecognize this but there is a need for a better understanding of what value chain transformationentails and...

The adoption of modern technologies in agriculture is crucial for improving productivity of poor farmers and poverty reduction. However, the adoption of modern technology has been disappointing. The role of value chains in technology adoption has been largely ignored so far, despite the dramatic...

This paper is the first to present panel data evidence on the longer-term impact of expansion of global value chains and large-scale export-oriented farms in developing countries. Using panel data from two survey rounds covering a seven-year period and fixed effects regression, we estimate the...

The system of global agricultural and food trade is undergoing rapid processes of change, with important implications for economic development. In this paper we document and discuss these changes; including the rapid growth and structural change in agri-food trade, the increased consolidation in...