If more of the mismeasurement is in the emerging world, the total current-account surplus of emerging markets is probably much smaller than that officially recorded.
如果错误测量更多地发生在新兴世界，那新兴市场的总贸易顺差应该比官方报告的小得多。
2
An IMF study in 2009, by Marco Terrones and Thomas Helbling, concluded that the biggest cause of the switch from a global current-account deficit to a surplus was mismeasurement of services.