Department of Economics and Business Economics

Meta-analysis in a nutshell: Techniques and general findings

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The purpose of this article is to introduce the technique and main findings of meta-analysis to the reader, who is unfamiliar with the field and has the usual objections. A meta-analysis is a quantitative survey of a literature reporting estimates of the same parameter. The funnel showing the distribution of the estimates is normally amazingly wide given their t-ratios. Little of the variation can be explained by the quality of the journal (as measured by its impact factor) or by the estimator used. The funnel has often asymmetries consistent with the most likelypriors of the researchers, giving a publication bias.
Original languageEnglish
Pages (from-to)2-15
Number of pages14
Publication statusPublished - 14 Apr 2015

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