The U.S. economy grew at a steady though not very strong pace this year. But Europe slipped back into recession because of the ongoing debt crisis. European leaders took steps to stimulate growth, but it wasn't enough to reverse course.
The economic crisis that got under way five years ago was felt all over the world. But Mohammed El-Erian, CEO of the investment firm PIMCO, says different regions have healed at much different rates.
The year "2012 was another multispeed world globally, in the sense that different parts did different things," he says.