Venezuela’s fifth new foreign exchange system in four years comes as its trade balance has expanded. Panjiva analysis of five countries’ trade with Venezuela shows its exports climbed 75% on a year earlier in March, while imports dropped 31%. As a result its trade surplus jumped to $1.22 billion, the highest since May 2014. That was the result of a 16% rise in oil exports to the U.S. and China in the two months to March 31 vs. a month earlier. Prices declined, suggesting oil volumes shipped increased despite OPEC production cuts. A basket of food imports from Brazil, Colombia and Mexico ...