Citigroup (C) lost Andrew Hall, a highly profitable commodities trading talent and head of a unit known as Phibro that traded out of a Connecticut farm house, to Occidental Petroleum (OXY).

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When leaving the public sector for the private, the individual must collect his dang'an from his work unit and take it to the Talent Centre.

ECONOMIST: China

"In China we are jealous of our HR co-workers in the U.S., " where online recruiting platforms are more mature and can attract qualified candidates, said Willa Wang, talent acquisition director at Lenovo China, the Chinese unit of Hong Kong-based personal computer company Lenovo Group Ltd.

WSJ: In China, Recruiting Gets Social