The Significance of Data-Sharing Policy

Zohid Askarov, Anthony Doucouli, Hristos Doucouli and T. Stanley
Authors registered in the RePEc Author Service: Chris Doucouliagos

Journal of the European Economic Association, 2023, vol. 21, issue 3, 1191-1226

Abstract: We assess the impact of mandating data-sharing in economics journals on two dimensions of research credibility: statistical significance and excess statistical significance (ESS). ESS is a necessary condition for publication selection bias. Quasi-experimental difference-in-differences analysis of 20,121 estimates published in 24 general interest and leading field journals shows that data-sharing policies have reduced reported statistical significance and the associated t-values. The magnitude of this reduction is large and of practical significance. We also find suggestive evidence that mandatory data-sharing reduces ESS and hence decreases publication bias.

Date: 2023
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:jeurec:v:21:y:2023:i:3:p:1191-1226.

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