“…Variables used in T&C studies Chan and Au (2007) GDP, PCGDP, distance, population growth, exchange rate, ASEAN Au an GDP, PDGDP. distance, population growth, exchange rate, labour costs, female, value added, EU, NAFTA Chan et al (2008) GDP, PCGDP, distance, population growth, exchange rate, euro currency, WTO member Tsang and Au (2008) Total production, total consumption, labour cost, distance, NAFTA Au and Chan (2010) GDP, PCGDP, exchange rate, population growth, distance, labour costs, female, EU, NAFTA, Chi and Kilduff (2010) GDP, PCGDP, distance, population, population growth, infrastructure degree, country adjacency, common language, literacy, tariffs, APEC, CBI, NAFTA, WTO Djankov et al (2010) Time, export time, GDP, PCGDP, distance, contiguity, language, colony, landlocked Lau and Bilgin (2010) Import quantity, import price, GDP Lee et al (2014) Apparel supply, apparel demand, apparel import, distance, fashion capital Orkan Özer (2014) GNP, Population, distance, exchange rate, EU, Muslim country Macanas (2015) GDP, population, distance, PCGDP, contiguity, landlocked, island, common language, coloniser, time difference, colony, common religion, AFTA Lau et al (2017) GDP, PCGDP, distance, population, exchange rate, labour costs, female, value added, EU, USA, Chan et al (2018) GDP, PCGDP, distance, population, exchange rate, value added, labour costs, female, LPI…”