In the Malabo Declaration of June 2014, African countries committed to tripling the level of intra-African agricultural trade and services by 2025, fast-tracking the establishment of a Continental Free Trade Area, and adopting a continent-wide common external tariff. To accomplish these goals,...

Traditional weighted-average measures of trade distortions are widely used in analyzing global and regional reforms, despite well-known deficiencies. This paper develops and applies optimal aggregators for the real-world case of multiple countries and commodities with much more detailed...