This post is lists helpful online resources that explain the research for which the 2020 Economics Nobel prize was awarded.
Nobel popular information:
https://www.nobelprize.org/prizes/economic-sciences/2020/popular-information/
Swedish Academy’s Scientific Background:
https://www.nobelprize.org/uploads/2020/09/advanced-economicsciencesprize2020.pdf
Tyler Cowen blog post:
https://marginalrevolution.com/marginalrevolution/2020/10/paul-milgrom-nobel-laureate.html
Alex Tabarrok:
https://marginalrevolution.com/marginalrevolution/2020/10/the-nobel-prize-milgrom-and-wilson.html
Kevin Bryan’s blog post:
Milgrom’s own 1989 (very readable) survey of auctions
https://pubs.aeaweb.org/doi/pdfplus/10.1257/jep.3.3.3