Some officials see this as evidence the economy is cooling in a controlled manner, but others worry that deterioration could accelerate quickly if borrowing costs stay elevated for too long.Hiring has cooled and wage growth has slowed, yet unemployment remains low by historical standards.Powell steps down as chair in May, and President Donald Trump has said he will nominate someone who will push for more aggressive rate cuts.It then lowered it by a quarter percentage point in both September and October over ...