1David Greenaway,Robert Hine,ChrisMilner.1995.Vertical and Horizontal In-traIndustry Trade:A Cross IndustryAnalysis for the United Kingdom[J].The Economic Journal(43).
2Grubel H G,Lloyd P J.1975.Intra IndustryTrade:The Theory and Measurement ofInternational Trade in DifferentiatedProducts[J].The Economic Journal(85).
