China's consumer price index last month fell by 0.8% compared to the same month last year. The rate of decline is the largest since September 2009, when the effects of the Lehman shock remained.

Concerns about deflation are growing even more. The Chinese government has said that it aims to expand domestic demand, which has continued to stagnate, through fiscal policy and other measures. But as concerns about deflation continue to grow, the focus will be on how effective the measures can be.