Introduction 1 Value chain analysis and market power in commodity processing with application to the cocoa and coffee sectors 5 Christopher L. Gilbert Imperfect competition, agriculture and development 35 Kyle W. Stiegert Foreign direct investment and agri-food value chains in developing countries: a review of the main issues 51 Ruth Rama and John Wilkinson Technical regulations and standards for food exports: trust and the credence goods problem 67 Nadia Cuffaro and Pascal Liu The Brazilian orange juice chain 85 Marcos Fava Neves