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https://twitter.com/itsafronomics/status/13026284672767426602 Roughly speaking, one can think of philanthropic gifts to universities being categorized along two dimensions. Unrestricted v. restricted in how it can be used. And current use v. endowment.
https://twitter.com/stephaniekelton/status/1024693246222643200Folks are asking for papers to support my view. There are hundreds (thousands?) dating back decades. I will point out a tiny fraction of them below.