To determine if inflation is more than a temporary matter, Ms. Yellen is monitoring two key metrics: inflation expectations and wage increases for low-paid workers. Rising pay for the lowest-wage workers could potentially lead to “an inflationary trend” if there is broad excess demand for workers in the labor market, she warned.“We don’t want a situation of prolonged excess demand in the economy that leads to wage and price pressures that build and become endemic,” Ms. Yellen said. “Looking at wage increases, you can have a wage price spiral, so you need to be careful.”She added: “I …
