Chinas goal for blue sky Beijing Winter Olympics set to cause supply-side shock as factories close

The Beijing Winter Olympics may weigh on Chinas economy as authorities close scores of factories in northern production hubs to cut pollution and ensure blue skies, economists say.Although the Yangtze River Delta and the Pearl River Delta are not involved, the area that is affected is also a relatively important part of Chinas economy, especially in terms of raw material productions, Lu Ting, chief China economist at Nomu