As the G20 Summit opens in Seoul, South Korea, on Thursday, Zhang Haizhou and Zhang Chunyan discuss the "currency war", IMF reform and China's economic growth with Sir Howard Davies, director of London School of Economics and Political Science.

Q: What issues do you expect the G20 leaders to discuss and address?

A: I think the issues are probably different in different parts of the world. In the United States, it seems to be primarily of confidence. The US is still focused on reducing its debts.