However , that leaves anywhere between 10 and 50 per cent of global trade being financed by banks ( see Mora and Powers , 2009 ) . Adding working-capital loans , that is , short-term loans used to buy inputs to produce goods for export then some 80 - 90 per cent of world trade relies on some form of trade finance , making it of enormous importance to the real economy ( International Monetary Fund ( IMF ) , 2003 ) .