‘“Nobel despised people who cared more about profits than society's well-being", saying that "There is nothing to indicate that he would have wanted such a prize", and that the association with the Nobel prizes is "a PR coup by economists to improve their reputation".’ [0]
I’ve also heard rumors that Nobel had a personal animosity towards certain academic areas because of an affair his wife had with a professor, but I can’t find any good references for that.
[0] https://en.wikipedia.org/wiki/Nobel_Memorial_Prize_in_Econom...
The fact that the "economics Nobel" isn't a real one, of course, is indisputable[2].
[0] http://almaz.com/nobel/why_no_math.html
[1] https://en.wikipedia.org/wiki/G%C3%B6sta_Mittag-Leffler
[2] for example https://www.theguardian.com/commentisfree/2015/oct/11/nobel-...