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。
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.