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@Andrew___Baker @arpitrage @Usama_Polani @agranato42 This is the only grade nondisclosure paper I know. faculty.wharton.upenn.edu/wp-content/uploads/2014/09/GND-9-16-14.pdf A while since I read it, but iirc the basic story on MBA vs. MD is that since the latter have external assessments of their quality, they have to work hard, so the high ability prefer to release grades.