
https://static.europeanchamber.com.cn/upload/documents/documents/Business_Confidence_Survey_2019_updated[663].pdf

https://ukandeu.ac.uk/explainers/eu-switzerland-negotiations-agreement/?mc_cid=1b270f9c56&mc_eid=815b1928ec

https://voxeu.org/system/files/epublication/Revising_Multilateralism.pdf