Africa's second-largest iron-ore mine, in Tonkolili, Sierra Leone, was snapped up by China's state-owned Shandong Iron and Steel Group in April. In fact, Chinese firms, it seems, are buying into the market while stocks are cheap. Hebei Iron and Steel Group is building a massive steelworks in South Africa; last month it received approval to takeover the Swiss firm Duferco's African steel processing and sales network.

China has become by far Africa's biggest trading partner, exchanging about $160bn worth of goods a year; more than a million Chinese, most of them labourers and traders, have moved to the continent in the past decade. The mutual adoration between governments continues, with ever more African roads and mines built by Chinese firms. But the talk of Africa becoming Chinese - or "China’s second continent", as the title of one American book puts it - is overdone.

Competition for job-creating foreign direct investment (FDI) is brutal these days in the European Union. Although it used to be the world's biggest recipient of FDI, its global share has now fallen from almost 29 percent in 2011 to 17 percent in 2013, according to UNCTAD. With European investment subdued, banks reining in lending and economies struggling to grow, foreigners with fat wallets are more than usually needed. Even France has engaged this year in a charm offensive to lure them in. So a recent study suggesting that only 12 percent of American companies with operations in France rate it positively as an investment destination is ruffling feathers.

In China, intellectual-property rights are hard and costly to defend, especially for small and mid-sized companies.

Supply-chain managers have a new focus: to move from cutting costs to enabling new processes and making corporations more connected and agile to create value across the entire enterprise.