
https://theconversation.com/lo-que-shakespeare-puede-ensenarnos-sobre-el-racismo-229333

http://www.ips-journal.eu/regions/europe/article/show/east-germans-and-the-far-right-afd-2315/

https://www.inet.ox.ac.uk/files/Supply-Demand-Shocks-CEPR-Apr-17-2020.pdf