Negotiations on Harmonized Non-Preferential Rules of Origin – A Useless Task from a Trade Policy Perspective? - Journal of World Trade View Negotiations on Harmonized Non-Preferential Rules of Origin – A Useless Task from a Trade Policy Perspective? by - Journal of World Trade Negotiations on Harmonized Non-Preferential Rules of Origin – A Useless Task from a Trade Policy Perspective? 31 4 Journal of World Trade