The World Bank has upgraded its growth forecast for China, with the world’s second-largest economy now expected to expand by 4.8 per cent this year, up from 4 per cent projected in April. The revised forecast brings China closer to its own official target of around 5 per cent. Aaditya Mattoo, chief economist for the World Bank’s East Asia and Pacific region, tells CNA’s Asia First what is behind the upgrade to China's growth projection and why deep structural reforms remain crucial for long-