Jan. 23 (Bloomberg) -- Jorg Decressin, deputy director of the International Monetary Fund's research department, says "by the middle of 2013 the global economy will be running at a growth rate of around 3.8%, which is not far off the 4.1% that we are seeing for 2014." Decressin speaks with Bloomberg's Carol Massar on "Bloomberg On the Economy." (Source: Bloomberg)