围绕出口贸易发展主题列举5篇近8年的英文文献不要中国作者按照GBT 7714-2015格式

Author: Arvis, J. F.; Duval, Y.; Shepherd, B. Title: Trade costs and the margin of exports: Evidence from the Eurasian Customs Union Journal: World Bank Economic Review Year: 2013 DOI: 10.1093/wber/lht008

Author: Bergeijk, P. A. G. van; Brakman, S.; Raubold, A. Title: The gravity model in international trade: Advances and applications Journal: Cambridge Journal of Regions, Economy and Society Year: 2014 DOI: 10.1093/cjres/rst011

Author: Freund, C.; Pierola, D. Title: Export surges Journal: Journal of Development Economics Year: 2012 DOI: 10.1016/j.jdeveco.2011.10.002

Author: Hoekman, B.; Nicita, A. Title: Trade policy, trade costs, and developing country trade Journal: World Development Year: 2011 DOI: 10.1016/j.worlddev.2010.12.003

Author: Melitz, M. J.; Redding, S. J. Title: New trade models, same old gains? Journal: American Economic Review Year: 2014 DOI: 10.1257/aer.104.5.94