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Helpman, Elhanan, Melitz, Marc J. and Rubinstein, Yona (2008) Estimating trade flows: trading partners and trading volumes. Quarterly Journal of Economics, 123 (2). pp. 441-487. ISSN 0033-5533
Humphreys, Stephen (2014) Climate justice: the claim of the past. Journal of Human Rights and the Environment, 5 . pp. 134-148. ISSN 1759-7188
Behrens, Kristian, Mion, Giordano, Murata, Yasusada and Südekum, Jens (2009) Trade, wages and productivity. CEP Discussion Paper, No. 942. Centre for Economic Performance, London School of Economics and Political Science, London, UK.
Mion, Giordano (2009) Strengthening economic linkages between Leeds and Manchester: feasibility and implications (structural model appendix). The Northern Way, Newcastle upon Tyne.
Ottaviano, Gianmarco I. P. (2014) European integration and the gains from trade. CEP Discussion Papers, CEPDP1301. Centre for Economic Performance, London School of Economics and Political Science, London, UK.