Ockenfels, A., & Schier, U. K. (2020).
"Games as Frames." Journal of Economic Behavior & Organization, 172, 97–106.
Schier, U. K., Ockenfels, A., & Hofmann, W. (2016).
"Moral Values and Increasing Stakes in a Dictator Game." Journal of Economic Psychology, 56, 107–115.