Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/308751 
Year of Publication: 
2024
Series/Report no.: 
Discussion Papers No. 24-09
Publisher: 
University of Bern, Department of Economics, Bern
Abstract: 
In mid-2016, all journals of the American Economic Association (AEA) stopped including significance stars in their regression tables. This policy aimed to reduce the emphasis on statistical significance and shift focus toward the broader economic importance of research findings. This study examines the impact of this change on p-hacking and publication bias. The findings indicate some reduction in the bunching of the reported test statistics just beyond the 5%-significance threshold in the treated journals after 2016. However, the effect is modest.
Subjects: 
p-hacking
significance stars
publication bias
difference-in-difference
JEL: 
A11
A14
C13
Creative Commons License: 
cc-by Logo
Document Type: 
Working Paper

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