First, rising costs mean that bosses must shift from going for growth to enhancing productivity. This sounds obvious, but in China the mentality has long been “just throw more men at the problem”. One way to get a grip on costs is to invest in labour-substituting technology, not only in manufacturing but also in services. Also, multinationals are falling behind local firms like Alibaba and Tencent in exploiting a surge of big data coming from e-commerce and smartphones.