China should not try to copy SpaceX despite the US company’s successful IPO, a leading economist has said.The company raised US$75 billion when it went public on Friday and made its chief executive Elon Musk the world’s first trillionaire.But Shen Yingchun, a professor at Beihang University, told Beijing Daily: “China does not need to and cannot copy SpaceX.”She said “the strength of the US model is efficiency”, using the market to drive down costs and forcing companies to innovate.Shen...