In Frequentist statistical inference, the p-value is used as a measure of how incompatible the data are with the null hypothesis. When the null hypothesis is fixed at a point, the test statistic reports a distance from the sample statistic…

Read More[* EiR = Econometrics in Replications, a feature of TRN that highlights useful econometrics procedures for re-analysing existing research. The material for this blog is drawn from the recent working paper “Two-way fixed effects estimators with heterogeneous treatment effects” by…

Read MoreI am a member of the Peer Reviewers Openness (PRO) Initiative. The Pro Initiative is based on the idea that reviewers have the power to get journals to become more transparent. In particular, they encourage reviewers to request data and…

Read MoreLike many others, I was aware that there was controversy over null-hypothesis statistical testing. Nevertheless, I was shocked to learn that leading figures in the American Statistical Association (ASA) recently called for abolishing the term “statistical significance”. In an editorial…

Read MoreIREE (the International Journal for Re-Views in Empirical Economics) was launched in September 2017, supported by our prestigious board of academic advisors: Sir Angus Deaton, Richard Easterlin, and Jeffrey Wooldridge. It is the first, and, to date, only journal solely…

Read More[This Guest Blog is a repost of a blog by Markus Eberhardt, published at Vox – CEPR Policy Portal] Recent evidence suggests that a country switching to democracy achieves about 20% higher per capita GDP over subsequent decades. This column…

Read MoreAn oft-overlooked detail in the significance debate is the challenge of calculating correct p-values and confidence intervals, the favored statistics of the two sides. Standard methods rely on assumptions about how the data were generated and can be way off…

Read MoreIn 2015, Crépon, Devoto, Duflo and Pariente (2015, henceforth CDDP), published the results of a randomized control trial (RCT) in a special issue of the AEJ: Applied Economics. CDDP evaluated the impact of a microcredit program conducted in Morocco with…

Read MoreThis blog is based on the homonymous paper by Norbert Hirschauer, Sven Grüner, Oliver Mußhoff, and Claudia Becker in the Journal of Economics and Statistics. It is motivated by prevalent inferential errors and the intensifying debate on p-values – as…

Read MoreIn July 2017, Economics: The Open Access, Open Assessment E-Journal issued a call for papers for a special issue on the practice of replication. The call stated, “This special issue is designed to highlight alternative approaches to doing replications, while…

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