Clark, Ximena Maritime transport costs and port efficiency by Ximena Clark, David Dollar and Alejandro Micco - Washington, D.C. World Bank 2002 - 37p. - Policy research working paper, no. 2781 . Subjects--Topical Terms: Marine terminals --Management --Econometric modelsHarbors --Management --Econometric modelsShipment of goods --Costs --Econometric modelsShipping --Costs --Econometric models