3 IZA Discussion Papers
IZA Discussion Paper No. 16535
IZA Discussion Paper No. 10627
published in: Journal of Economic Psychology, 2019, 70, 1-11
IZA Discussion Paper No. 4647
published with new title "How social preferences shape incentives in (experimental) markets for credence goods" in: Economic Journal, 2017, 127, 393-416.