Mueller-Langer, Frank MPI for Intellectual Property and Competition Law, Max Planck Society;
http://www.ratswd.de/dl/RatSWD_WP_223.pdf (Preprint)
https://doi.org/10.1002/mde.3375 (Verlagsversion)
Mueller-Langer, F., & Watt, R. (2013). Optimal Pricing and Quality of Academic Journals and the Ambiguous Welfare Effects of Forced Open Access: A Two-sided Model. RatSWD Working Paper, No. 223.