“Reasons of State: Why Didn’t Denmark Sell Greenland?”, 2011 (; backlinks):
Denmark turned down 100m USD from the USA in 1946; I discuss how this was a bad idea—America got what it needed anyway while Denmark kept control of a loser.
After WWII, the Cold War motivated the USA to offer $1,286.3$1001946 million for ownership of Greenland, which was declined. The USA got the benefit of using Greenland anyway.
I discuss how the island otherwise remained a drain since, the dim prospect it will ever be useful to Denmark, and the forgone benefits of that offer.
I speculate on the real reasons for the refusal.