Dear Dr. Morrison,
I think that you make a very strong assumption of equal distribution of
journal sizes, which to me does not hold up to a reality check. Because of
this the "average" APC you compute is three to four times lower compared to
what authors/institutions actually pay to MDPI per
** with apologies for cross-posting **
282 investigators in 33 countries have endorsed a perspective on "fairness in
data sharing", expressing concern about policies requiring clinical trial data
publication, particularly with short deadlines:
http://www.nejm.org/doi/full/10.1056/NEJMp1605654
