Also worth mentioning is the inverted funnel of Doucouliagos and Stanley, which suggests that there's considerable publication bias in favor of the traditional economic narrative.

[1] Page 31 of https://pdfs.semanticscholar.org/49f8/49647aec895a598869113b...

[2] Annotated version of the key figure here: http://ethicussions.blogspot.com/2014/05/inequality-and-its-...