Home Publications & Data Presentation Impact evaluation of policy oriented research. Why should CIAT engage with it now (and how to do that) author(s) Béné, Christophe published in2016 original file download full citation Bene, Christophe. 2016. Impact Evaluation of Policy Oriented Research. Why should CIAT engage with it now (and how to do that). Cali, Colombia: International Center for Tropical Agriculture (CIAT).