Rising U.S. trade barriers

World Insight with Tian Wei

U.S. President Donald Trump has threatened to impose 25 percent tariffs on all goods from Canada and Mexico. Rising trade barriers have raised fears among investors with the harm to world trade. So, what’s the practical way to take U.S. trade decisions? And as China expands in international markets, what’s the best way to keep the momentum? We hear answers from Nobel economics laureate Michael Spence.