I can not speak to the wisdom of raising tariffs on countries as a general trade negotiating tactic. (canadianbusiness.com)
By law, he can only raise tariffs by 15 percent for 150 days without congressional approval. (thebalance.com)
What's more, China could retaliate by raising tariffs on U.S. goods, suggests Ari Ginsberg, a management professor at New York University's Stern School of Business where he has a focus on international business. (inc.com)