WILLY-MARCEL NDAYITWAYEKO UB   University of Burundi Avenue d' UNESCO Bujumbura, BUJUMBURA 6928 BURUNDI   ndayiwm@gmail.com     Biographical Sketch: Lecturer at the university of Burundi. Completed a MPHIL in agricultural economics (Kenya) and currently a PHD student, agricultural economics, Kenya in the field of international economics/trade. I am a member of IAAA, AAAE and UNCTAD-VI.   Primary Research Focus: International economics/trade, production economics , agricultural marketing and resource management.   JEL Areas: F1 : Trade: General A0 : General Economics and Teaching