@chrislintott I am well aware of the UKRI policy, which explicitly supports the green OA route. For preferences, see e.g. https://t.co/YYRtHcsNOO or https://t.co/muUGv0NiOe
Study on "Open Access uptake by universities worldwide." There is a large spread by country and university. While self-archiving dominates, rich countries publish #OpenAccess much more. https://t.co/2JvTh4mepR https://t.co/n9v4UwkRHK