Recent Findings Suggest That Open Access Mandates Promote Hybrid Rather Than Gold or Green Open Access Models
As the European Plan S joins numerous research funding institutions in mandating the adoption of Open Access, empirical data for Western Europe and North America do not demonstrate dramatic spikes in Open Access article outputs after mandates come into force between 2009 and 2017, due to the spectacular increases in hybrid Open Access prevalence on the background of mixed paper output share performance of pure Gold and Green Open Access models.