Shirakawa, the Bank of Japan governor, said that the expansive policy must go on, that the economy shows signs of improvement and that he's watching to currency movements.

- There are still risks for Japan

- The weak demand causes the continues price decline and the pressure on prices will continue

- A liquidity hike won't trigger a price climb on its own. The capital expenditure must rise also, to defeat the decline of prices

- The investor risk appetite and the dollar market have a strong relation.