Work carried out this year by New Zealand’s Council of New Zealand University Libraries (CONZUL) Open Access Project Group shows a clear citation advantage for repository based OA over closed access articles. This great infographic summarizes their research.
The full report is available here. Furthermore, CONZUL have updated their statement on open scholarship, which is available here. Importantly it notes the acknowledges the rights of Māori to maintain autonomy and control over access to taonga and intellectual property.