President Trump has targeted Jerome H. Powell on more than 70 separate occasions, more than half of them since April. His statements fall into four broad categories.

The administration has repeatedly criticized Jerome H. Powell, the chair of the central bank, for his handling of the economy and the cost of renovations at the institution’s…

The president has lambasted the U.S. central bank chief repeatedly for not cutting interest rates more aggressively, musing publicly about firing him.