https://www.brookings.edu/articles/disquiet-in-the-worlds-middle-class/
https://knowledge.wharton.upenn.edu/article/what-will-the-world-look-like-in-2030/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-09-08
https://towardsdatascience.com/top-5-r-resources-on-covid-19-coronavirus-1d4c8df6d85f?source=email-bc1148bd8538-1584871416249-digest.reader——0-58——————b667a4ce_f628_4a0f_8ca6_61e417afd433-1-74423165_4718_4a2f_99ed_7a1f1025f705—-&gi=5d1978f4991
https://www.piie.com/blogs/realtime-economic-issues-watch/globalization-enabled-nearly-all-countries-grow-richer-recent