A single West African currency

Available for over a year

Some West African countries already use a single currency - the CFA franc. Now there are plans to introduce a broader shared currency - the eco - across 15 states. But the region's economic powerhouse Nigeria has put those plans in doubt. Tamasin Ford speaks to business people in the region about what difference a new single currency would really make. (Photo: CFA franc banknotes, Credit: Getty Images)