The merest mention of future interest-rate rises from America’s central bank sent markets into a tizzy. We consider the merits and the effects of signalling early and often. Europe’s drug use dipped when the pandemic began, but soon rebounded; we examine the rising potency of the continent’s drugs and drug syndicates. And data reveal what makes work-from-home productivity so low.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer
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