
https://knowledge.wharton.upenn.edu/article/endowment-effect-trading-decisions-are-observable-in-the-eyes-of-buyers-and-sellers/

https://search.coe.int/cm/Pages/result_details.aspx?ObjectID=09000016809ed062

https://ukandeu.ac.uk/explainers/the-protocol-on-ireland-northern-ireland/?mc_cid=2bd4dc8e93&mc_eid=815b1928ec