From: ‘Predatory’ open access: a longitudinal study of article volumes and market characteristics
Publisher stratum | Average APC for journals in USD | Average APC for articles published (2010–2014) in USD |
---|---|---|
100+ journals | 605 | 796 |
10–99 journals | 239 | 104 |
2–9 journals | 215 | 133 |
Single-journal | 98 | 83 |
Total | 304 | 178 |