http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6456&CESifoWP.search=+
http://library.fes.de/pdf-files/iez/13375.pdf
http://www.cer.org.uk/sites/default/files/pb_eurasian_IB_16.3.17_0.pdf
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf
https://www.wto.org/english/res_e/reser_e/ersd201704_e.pdf
https://ec.europa.eu/agriculture/sites/agriculture/files/external-studies/2016-bilateral-trade-agreements/exec-sum_en.pdf
https://ec.europa.eu/commission/sites/beta-political/files/reflection-paper-globalisation_en.pdf
http://www.ecb.europa.eu/pub/pdf/other/ebart201703_01.en.pdf