Breakout nations

After a decade of rapid growth, the world's most celebrated emerging markets are poised to slow down. Which countries will rise to challenge them? To identify the economic stars of the future we should abandon the habit of extrapolating from the recent past and lumping wildly diverse countries together. We need to remember that sustained economic success is a rare phenomenon. As an era of easy money and easy growth comes to a close, China in particular will cool down. Other major players including Brazil, Russia, and India face their own daunting challenges and inflated expectations. The new…