While recent volatility in financial markets has unsettled the global economy, the world should have confidence in China’s future, Li Keqiang, Chinese premier, on Thursday told participants in the opening plenary of the World Economic Forum’s ninth Annual Meeting of the New Champions. The premier said the government was committed to the “painful and treacherous” process of transforming its economic model from one that was over-reliant on investment and manufacturing to one driven more by consumption and services.