The State of OA: A Large-Scale Analysis of the Prevalence and Impact of Open Access Articles
The State of OA: A Large-Scale Analysis of the Prevalence and Impact of Open Access Articles
At least 28% of the scholarly literature is OA and that this proportion is growing, driven particularly by growth in Gold and Hybrid. Also, OA articles receive 18% more citations than average, an effect driven primarily by Green and Hybrid OA.