Understanding the impact of trade-related capacity building interventions   This article presents the findings of a pilot study commissioned by COLEAD in the framework of the FFM+ programme to explore the ‘spillover effects’ of trade-related capacity building interventions over the past two decades aimed at improving the export horticulture value chain in Kenya. Spillovers, understood as unintended impacts of development interventions, have been underexplored in standard project performance matrices. While some work has been done in this area by organizations… +