I believe most schools have a fixed financial aid budget - it is a zero sum game.</p>
<p>If I get a smaller subsidy because I pay more, and that allows the school to give you a bigger subsidy so that you can pay less, then I am still subsidizing you. It doesn’t matter if what I am paying covers the full cost or not.</p>
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Or forever. To be free for all undergrads would require around 1% of Harvard’s endowment per year.</p>