This paper reviews initiatives which take a “supply chain lens” to improving environmental outcomes of food systems. Some focus on due diligence, or ask firms to disclose impacts of their supply chain. Others benchmark firms according to supply chain performance. Firms also increasingly make...

So, you've decided to do a PhD… now what? In this essay, I provide some advice for beginning PhD students – basically sharing with you what I would tell my younger self. Doing a PhD is a transformative experience, but the process is challenging – not merely on an intellectual level but...

The merger of Dow and DuPont, the acquisition of Syngenta by ChemChina, and the acquisition of Monsanto by Bayer have recently reshaped the global seed and biotech industry and caused concern about growing market concentration. This review documents market concentration in seed and agricultural...

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...

We analyze the effects of high standards food chains on household welfare taking into account general equilibrium effects and market imperfections. To measure structural production changes and welfare effects on rural and urban households, our model has two types of agents, five kinds of...