Republican nominee Donald Trump sees tariff hikes as an all-purpose fix that would create more factory jobs and shrink the federal deficit.

There's a sizable gap between the promised benefits from heavily taxing imports and economists' views on the effects of these duties.

To former President Trump, tariffs are "the greatest thing ever invented." Why it matters: Trump has touted tariffs as a miraculous cure to just about every domestic and international strain, from war to child care to high grocery prices.

A new study of Donald Trump's support for broad-based tariffs & deporting undocumented migrants calls into question whether the policies can bring down prices.