Kɔɲɛɲiniw Sheri Berman ani Dylan Riley fɛ, ani fana sɔrɔkolɔnbaw Shanker Satyanath, Nico Voigtländer, ani Hans-Joachim Voth, tun yɛ jamanakɔnɔ denw ka jɛkuluw siri fasisiw ka wilikajow bangeli la.