[kfogel]

Expenses like conferences (both organizing and sending attendees) are accounted for on the "investment" side of the ledger in this report, FWIW.

(Full disclosure: I'm one of the authors.)

[aaronchall]

This specific article is being criticized for not getting the sources right, and multiple intermediate sources are given, which is best, in your opinion, read the actual paper? Or the first secondary source?