Mueller-Langer, Frank MPI for Innovation and Competition, Max Planck Society;
https://ssrn.com/abstract=2870617 (Preprint)
https://ideas.repec.org/p/ipt/decwpa/2018-05.html (Preprint)
Mueller-Langer, F., Scheufen, M., & Waelbroeck, P. (2016). Does Online Access Promote Research in Developing Countries? Empirical Evidence from Article-Level Data. Max Planck Institute for Innovation & Competition Research Paper, No. 16-14.