I like this suggestion, but I wouldn't use it to drive my primary rankings for this reason: I am truly interested in the revealed preference of students. If Col

I like this suggestion, but I wouldn't use it to drive my primary rankings for this reason: I am truly interested in the revealed preference of students. If College X is bending their preference and basically buying kids away from Harvard, then I want to reflect that. If students pick BU over MIT because MIT scares their pants off, I want to reflect that, too. In other words, my aim is to have descriptive, not normative, rankings. However, I like your suggestion and I'll think about tryin to implement a system, in parallel, to give a different set of rankings with the 'feel' that people expect. It should be fun — thanks for the idea!