Tariffs are typically bad news for the economy and stock market. "They raise prices, slow economic growth, cut profits, increase unemployment, worsen inequality, diminish productivity and increase global tensions," according to David Kelly, Chief Global Strategist at J.P. Morgan.

President Donald Trump is threatening steep tariffs on virtually all imports. Here’s what that means and what economics research suggests would be the impact

President Trump’s tariff plans that he talked about during his campaign are in full swing. So far, the Trump administration has imposed a 25% tariff on imports from Canada and

Here’s Milton Friedman, who won a Nobel prize and was the most important economist of the 20th century, on tariffs: “We call a tariff a protective measure. It does protect; it protects the consumer very well against one thing. It protects the consumer against low prices.”

"Tariffs are taxes — bad for businesses ... could bolster job growth in the U.S. "With these tariffs, thousands of good-paying blue-collar auto jobs could be brought back to working-class ...

A seemingly endless drumbeat of tariff news — mostly negative, some positive — has been pulling the market back and forth. Market action has almost entirely become the tariff palace intrigue.

Canada and Mexico won protections against potential new U.S. auto tariffs in 2018 as part of the U.S.-Mexico-Canada Agreement on trade, but there is no evidence that President Donald Trump will honor those commitments as he imposes 25% duties on global automotive imports.