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Published online by Cambridge University Press: 01 January 2025
This paper provides a close conceptual replication of the study by Di Tella et al. (Am Econ Rev 105: 3416–42, 2015) on self-serving beliefs. The design differs in some aspects from the original study, but maintains its fundamental structure and uses a larger sample size. The main findings of the original study are not replicated. If anything, beliefs seem to be biased in the opposite direction. These results are discussed jointly with two other replication efforts by Ging-Jehli et al. (Games Econ Behav 122–341, 2020) and Ahumada et al. (Well excuse me! replicating and connecting excuse-seeking behaviors, 2022). The main conclusion is that self-serving beliefs about others in strategic settings seem to be quite sensitive and hard to capture.
The replication material for the study is available at OSF under DOI https://doi.org/10.17605/OSF.IO/UD5G7 or URL https://osf.io/ud5g7/.