A better balance would improve the welfare of the Chinese people (by increasing consumption and social services) and would increase global financial stability (by reducing China's current account and trade surpluses). The Chinese government has undertaken to reduce this imbalance by taking measures to expand domestic demand, especially household consumption, and I hope that these efforts will be successful.
The Reserve Bank has strong powers to regulate payments systems and in some cases it does. For example, certain competition and efficiency issues associated with credit card systems could not be addressed by participants so the Bank introduced regulation that required changes to certain practices in these schemes.