.Unit1customs areavisible trade invisible tradegross domestic product (GDP)portfolio investmentstocksbondscertificate of depositlicensingfranchisingtrademarkpatentroyaltycopyrightlicensorlicenseefranchiserfranchiseemanagement contractvalue chaincontract manufacturingturnkey projectBOT (Build Operate Transfer)intellectual propertyUnit2national incomeGNP(Gross National Product)per capita incomePPP(purchasing power parity)consumerismin