Hornuf, Lars MPI for Innovation and Competition, Max Planck Society;
https://www.cesifo-group.de/DocDL/cesifo1_wp7153.pdf (Preprint)
http://dx.doi.org/10.2139/ssrn.3211805 (Preprint)
Hornuf, L., & Jeworrek, S. (2018). Crowdsourced Innovation: How Community Managers Affect Crowd Activities. CESifo Working Paper, 7153.