Christopher’s research focuses on the impact of Northern policies on the South, particularly those relating directly or indirectly to trade.Christopher Stevens' research focuses on the impact of Northern policies on the South, particulary those relating directly or indirectly to trade. Recent research and advice have covered changes to EU trade policy (such as on EPAs and rules of origin) and agriculture policy, the WTO Doha Round, as well as the international dimension of agricultural development and food security.