Structure and International Trade. Cambridge: MIT Press. -- Hill, T.P (1977), 'On Goods and Services', The Review of Income and … International Trade in the Second Era of Globalization', Journal of Economic Perspectives, 21 (3), Summer, 131-54 -- Joseph Francois … Trade Policy After 1992. Cambridge: Cambridge University Press, pp. 92-118. -- Sampson, Gary and Richard Snape (1985 …