Ideas tagged with article processing charges (apc)
**Problem:** There is an ongoing debate on the share of OAJ and OAA charging APC from authors. It has been shown that 67% of OAJ listed in the Directory of Open Access Journals (DOAJ) work without APC ([Suber 2015] (https://plus.google.com/+PeterSuber/posts/Cqv4oq3LuFr)) and costs get subsidised...