https://www.aeaweb.org/articles?id=10.1257%2Faer.20180338
Authors. Bloom, N., Jones, C. I., Van Reenen, J. & Webb, M
Venue. American Economic Review 110(4) , 1104–1144 — AEA article page with abstract
How the Institute flags it
established 3 times frontier 2 times
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.