https://cepr.org/sites/default/files/news/CovidEconomics19.pdf?utm_medium=email&utm_source=govdelivery#Paper2
https://towardsdatascience.com/now-we-know-what-happens-to-cryptocurrency-in-a-recession-1e08ba452ba4
https://www.science.org/content/article/scientists-see-really-really-tough-winter-omicron?utm_campaign=news_daily_2021-12-14&et_rid=682362580&et_cid=