Recommended readings (Machine generated): Robert A. Mundell (1957), 'International Trade and Factor Mobility', American … Geography', Journal of Political Economy, 99 (3), June, 483-99 -- Alan V. Deardorff (2001), 'International Provision of Trade … Services, Trade, and Fragmentation', Review of International Economics, 9 (2), 233-48 -- Spiros Bougheas, Panicos O …