The Leading Group of Guangzhou for Promoting the Construction of the Guangdong-Hong Kong-Macao Greater Bay Area recently passed its action plan for the Greater Bay Area (GBA) (Sui Da Wan Qu No. 2 [2021]). The aims of the plan are to boost high-level connectivity within the region, promote the efficient and convenient flow of resources and factors of production, and to make the GBA the first area to achieve trade liberalisation and customs facilitation. More