Björk et al estimated for 2006, that between gold and green OA, 19.6% of global yearly output of research could be accessed freely.
Can we devise a method of estimating/predicting the growth of the share of OA in annual global research output, from the growth of gold OA journals and OA mandates, both institutional and government? Arif Jinha ----- Original Message ----- From: "Gavin Baker" <ga...@gavinbaker.com> To: <american-scientist-open-access-fo...@listserver.sigmaxi.org> Sent: Tuesday, January 05, 2010 10:32 PM Subject: Growth rate of OA mandates? >I was interested to see, as noted by Heather Morrison recently, that the > number of institutional and departmental mandates registered in ROARMAP > more than doubled in 2009: > > http://poeticeconomics.blogspot.com/2009/12/dramatic-growth-of-open-access-dec-31.html > > Funder mandates were no slouch either, with a 40% increase. > > Has anyone charted the number of mandates over time? From a slow start > in 2003 to the explosion of 2009, I'm curious what the curve would look > like... > > Also, any predictions for the future? I'd wager that 2010 looks like > 2009, give or take 25%. Even in the worst case scenario, that'd still > mean strong growth (compared to any year other than 2009). > > -- > Gavin Baker > http://www.gavinbaker.com/ > ga...@gavinbaker.com > > You will eat cake. > Frank O'Hara >
