the economic impact of international merchandise trade miami dade county j antonio villamil robert d cruz washington economics group overview study objectives scope analysis basic indicators measuring direct impacts estimating indirect and induced methodology results future research what questions remain limited main objective quantify substantial activity these occur through two principal avenues transportation services export import cargo financing local manufacture goods for exports defining is just one component a larger sector includes activities such as tourism eg business visitors legal commercial immigration law banking more than private professional medical engineering consulting government customs total from southern florida 49 7 billion in 2002 26 4 imports 25 3 mia 1 45 million tons 2003 port 9 0 air 250 000 300 350 400 450