Economists say the way the Trump administration is imposing tariffs is backfiring for some of the businesses they are meant to help.

Canada’s steel industry fears that Chinese steel facing steep tariffs in the United States will be sent north and overwhelm the Canadian market.

Low environmental standards helped China become the world’s low-cost producer of rare earths, but Beijing was also focused on helping the industry.

Ford Motor said it would open a new plant in Michigan that could become ineligible for federal incentives under a policy bill championed by President Trump and passed by the House.