Many of the continent’s economies are hamstrung by debt—much of it held internationally. We look at the growing need for closer co-operation between China, Western creditors and multilateral institutions. A city on Ukraine’s front line has become an unlikely locus for love stories. And unpicking the link between workers’ productivity and their drugs of choice.For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.