权威例句
An economic analysis of the duty-free zoneThe Law of One Price in Scandinavian Duty-Free StoresUnemployment and the formation of duty-free zonesOn the welfare effects of a ‘duty-free zone’The gains from duty free zonesA note on the economics of the duty free zoneLessons of the 1999 Abolition of Intra-EU Duty Free Sales for Eastern European EU CandidatesDuty-free zone, unemployment, and welfare a noteIntermediate goods and the formation of duty-free zonesMethod and apparatus for selling international travel tickets in combination with duty free goods