Those numbers can't be right, honestly.
Bjoern Brembs has been writing a lot about open access publishing and the costs associated, here he cites a few numbers:
>There is ample material on how much the publication of a scholarly open-access article costs. SciELO publishes for under US$100 per article. SciELO, however, publishes largely in regions of the world where labor and other associated costs are comparatively low. How much costs do other organizations cite? The Open Library of Humanities is on the record with about US$500, Ubiquity, Hindawi and PeerJ are also on record within the US$100-500 range and Scholastica, RIO Journal, Science Open, F1000Research or arpha mention similar figures. Thus, there are now about ten different companies or organizations which all agree that open access publishing costs about US$100-500 and Independent analysts agree: it is established that the actual costs of publishing a scholarly article are in the low hundreds of US$.
Note that he focuses on open access articles, not closed access + open access articles, but I can't think of a reason why closed access would cost more.
http://bjoern.brembs.net/2017/11/is-a-cost-neutral-transitio...
Bjoern Brembs has been writing a lot about open access publishing and the costs associated, here he cites a few numbers:
>There is ample material on how much the publication of a scholarly open-access article costs. SciELO publishes for under US$100 per article. SciELO, however, publishes largely in regions of the world where labor and other associated costs are comparatively low. How much costs do other organizations cite? The Open Library of Humanities is on the record with about US$500, Ubiquity, Hindawi and PeerJ are also on record within the US$100-500 range and Scholastica, RIO Journal, Science Open, F1000Research or arpha mention similar figures. Thus, there are now about ten different companies or organizations which all agree that open access publishing costs about US$100-500 and Independent analysts agree: it is established that the actual costs of publishing a scholarly article are in the low hundreds of US$.
Note that he focuses on open access articles, not closed access + open access articles, but I can't think of a reason why closed access would cost more.
http://bjoern.brembs.net/2017/11/is-a-cost-neutral-transitio...