Behind Your Business

Enthusiasm for Chinese companies abroad but not at home

OF THE many oddities surrounding Chinese stockmarkets, the most glaring has long been the premium mainland investors pay for shares listed domestically over what those same shares trade for in Hong Kong. Now the puzzle is why the premium has disappeared (see chart).

The usual explanation for the existence of the premium ran as follows. A closed capital account and a tightly run financial system left Chinese investors with only three places to put their money: property, with its high transaction costs and manic price moves; bank deposits, offering diminutive interest; or shares, with price moves as big as property but lower dealing costs. That paucity of choices drove shares higher than in places with more options. ...