Hornuf, Lars MPI for Innovation and Competition, Max Planck Society;
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2828919 (Preprint)
Cumming, D., Hornuf, L., Karami, M., & Schweizer, D. (2016). Disentangling Crowdfunding from Fraudfunding. Max Planck Institute for Innovation & Competition Research Paper, No. 16-09.