Market stall vendors in Yenagoa, Nigeria. Economy shrank year-on-year for three consecutive quarters IMF forecasts Nigeria economy will contract 1.7% in 2016 Nigeria’s economic slump continued in the third quarter on low oil revenue and foreign investors who are wary of the government’s fiscal and monetary responses. Gross domestic product in Africa’s most populous country contracted by 2.2 percent in the three months through September from a year earlier, after shrinking 2.1 percent in the second quarter, the Abuja-based National Bureau of Statistics said in an e-mailed statement Monday. The median of 15 economist estimates compiled by Bloomberg was for a 2 percent contraction. The economy expanded a non-seasonally adjusted 9 percent from the second quarter, the statistics office said. Government revenue has plunged with the decline of oil prices, the country’s main export, since mid-2014, and production fell as militants in the Niger River delta blew up pipelines. […]