Subordinated debt can be counted as Bank supplementary capital, so its rise can increase rate on capital adequacy and can go a long way to meet the requirement.

"It's out of the question to systematically increase layers of capital in the Banks if there's no supplementary risk," says Ariane Obolensky, managing director of the French Banking Federation.

Must point out that the Chinese-foreign joint venture is one kind of supplementary reciprocal benefit cooperation. Joint capital both sides may maximum limit display the respective superiority.