OPEC on Tuesday gave an upbeat outlook for the oil market in 2017, saying global demand for its crude would be higher than its current production and pointing to a supply deficit rather than a sizeable surplus that has weighed on prices. However, the Organization of the Petroleum Exporting Countries in a monthly report also cut its forecast for world economic growth this year, citing increased uncertainty following Britain’s vote to leave the European Union and said the pace of oil demand growth would slow slightly next year, in its first 2017 forecast. “After the UK’s referendum to leave the EU, economic uncertainty has increased,” OPEC said in the report. “Potential negative effects have led to a downward revision of global economic growth in 2016 to 3.0 […]