Federal Reserve Chair Janet Yellen testifies before the Senate Banking Committee on July 15. She said the Fed is likely to keep interest rates low "for a considerable period" since inflation remains so tame. hide caption itoggle caption J. Scott Applewhite/AP Economy Inflation Came In Low Again, But Are There Bubbles? If inflation were to flare up, Fed policymakers would have to push up interest rates. Tuesday's consumer price report suggests inflation is low, but some say the data isn't capturing asset "bubbles."