Bernanke, Trichet May Find Cheaper Oil Raises Inflation Risks

Plunging oil prices are relieving one inflation headache for central bankers Ben S. Bernanke and Jean- Claude Trichet, only to give them another.

The same lower energy bills that are removing a source of inflation are also stoking the world economy at a time when it is already growing briskly. That may be enough to force interest rates higher in Europe, and keep them from coming down in the U.S.