There's another section of the Nobel site that provides background on the work, both a popular version and an advanced version. The advanced version amounts to a fairly substantive literature review. In general, you can find both documents for all Nobel Prizes, and the writing is very good.

Popular: https://www.nobelprize.org/nobel_prizes/economic-sciences/la...

Advanced: https://www.nobelprize.org/nobel_prizes/economic-sciences/la...