Donald Trump's attempt to "make America wealthy again" by imposing tariffs put the world on the brink of a financial crisis.

President Donald Trump escalated his attacks on Federal Reserve Chair Jerome H. Powell over the weekend, calling him a “stupid person” for not cutting short-term borrowing rates right away.

The steady expansion under way since mid-2016 continues, with global growth for 2018–19 projected to remain at its 2017 level. At the same time, however, the expansion has become less balanced and may ...