Johan Wennström, one of the authors, has at least two more papers on the subject: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3241983 https://papers.ss

Johan Wennström, one of the authors, has at least two more papers on the subject: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3241983 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3241983 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3047110 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3047110 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3061765 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3061765 One might get the impression he has a bit of an axe to grind. Then again, I was a teacher at a Swedish university for one year (and loved doing it in general), and I might actually be biased to think he has, because I have to admit that the abstracts did have me nodding in agreement. (Apologies for the low-effort comment - I'll try reading them in detail after some coffee, but this is a bit too heavy before breakfast)