Mumbai, Oct. 15 -- Federal Reserve Chair Jerome Powell spoke at the 67th Annual Meeting of the National Association for Business Economics in Philadelphia on Tuesday but did not provide much fresh insight into the outlook for interest rates.

Powell reiterated his belief that there is "no risk-free path" for monetary policy as the Fed navigates the tension between the central bank's dual goals of maximum employment and inflation at a rate of 2 percent over the longer run.

He said the challenge facing the Fed was evident in the dispersion of officials' projections at the September 16-17 monetary policy meeting.

"I will stress again that these projections should be understood as representing a range of potential outcomes whose probabilities...