欧洲学术出版开放获取数据全解读--商虎中国

From Google Translate: "However, a recent study by DeltaV Think, a research firm, suggests that the growth rate of open access markets may slow, with annual growth rates expected to be between 10% and 15%.While some open access publishers are able to continue to profit and are themselves in a state of sustainable development. But for now, both open and implicit, open access to the market is still largely dependent on the subscription market, many publishers through cross-subscription open access to journals to obtain income subsidies."