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...
If you're looking for information on nudges, check this: http://economicspsychologypolicy.blogspot.com/2013/08/nudge-...
It looks like they've stopped updating it but it has all sorts of economic research on nudges in it. Beware that some of this research is debated though.