lukestein’s Twitter Archive—№ 11,985

@arpitrage @itaisher @ash_craig @arthur_spirling @rigotti_luca @soashworth @KevinZollman Not what you’re asking for, but iirc there are a class of models that attempt to motivate the existence of coarsened grading scales, maybe eg aeaweb.org/articles?id=10.1257/aer.20171722