What is the main idea of the following two paragraphs? Still, the potential hits to the U.S. economy don ’ t justify a rate cut by the Fed, according to Alexander. He explained that if the U.S. moves ahead to impose 25% tariffs on all Chinese goods, core inflation in America could tick up by 0.5 percentage point over the next 12 months. Central banks globally typically cut interest rates to stimulate economic activity and stoke inflation. Lowering rates while inflation is inching up puts an economy at risk of overheating, which is often a precursor to a painful downturn.