The European Union and the United States offer, simultaneously, preferential market access to exports of a group of African countries. Although similar regarding the extent of preferences for apparel, a key sector for least developed countries, these agreements differ as regards rules of origin...

Should the China-U.S. trade agreement prompt relief because it averts a damaging trade war or concern because selective preferential access for the United States to China's markets breaks multilateral rules against discrimination? The answer depends on how China implements the agreement....