This is an extremely interesting and well-written paper with a very surprising result. Makes me wonder whether we've really internalized how important jaggedness is and how long it will stick around. Also, I will pay any bluebook-savvy law student who wants to earn some extra money $20 an hour to go through the methodology and experimental design with a fine toothed comb and come up with persnickety little criticisms, not because I think you're likely to find anything that discredits the…