Sub-Saharan Africa is the region where firms face the greatest hurdles when it comes to cross-border trading. This paper examines how these firms, relative to their counterparts in the developing world, would respond to changes in the trade environment as a result of trade facilitation reforms....

"As China's export juggernaut employs many imported inputs, there are many policy questions for which it is crucial to know the extent of domestic and foreign value added in its exports. The best known approach - the concept of "vertical specialization" proposed by Hummels, Ishii and Yi (2001) -...