Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1257/aer.101.2.526 (beliebiger Volltext)
Dulleck, U., Kerschbamer, R., & Sutter, M. (2011). The Economics of Credence Goods: An Experiment on the Role of Liability, Verifiability, Reputation, and Competition. American Economic Review, 101, 526-555.