Four BRICs don’t quite make a wall

EMERGING markets have been through a lot over the past four years. The “taper tantrum” in 2013 (prompted by fears of a change in American monetary policy); the oil-price drop in 2014; China’s botched devaluation of its currency in 2015; and India’s botched “demonetisation” of much of its own currency in late 2016 (removing high-value banknotes from circulation). But 2017 has started more brightly. Indeed, for the first time in two and a half years, the world’s four biggest emerging economies (Brazil, Russia, India and China, known as the BRICs) are all growing at the same time.

Russia’s GDP bottomed out at the end of 2015 (using seasonally adjusted figures) after the longest recession since the 1990s. It has expanded at a gathering pace for the past three quarters. Higher oil prices have helped, though Russia cannot profit fully from the improved market by ramping up sales without violating the production limits that caused the market’s recovery.

During the collapse...