https://science.sciencemag.org/content/early/2020/09/11/science.abc8169.full.pdf
https://knowledge.wharton.upenn.edu/article/endowment-effect-trading-decisions-are-observable-in-the-eyes-of-buyers-and-sellers/
https://advances.sciencemag.org/content/advances/6/14/eaay3539.full.pdf
https://theconversation.com/estambul-y-dublin-esconden-un-secreto-matematico-208985