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I was talking primarily about the big NRC rankings, where total citations are taken into account. Also, there are economies of scale in research. A big place like Berkeley can afford to run projects that smaller places can't (and hire hundreds of postdocs and staff), so the fact that Caltech can compete (and come out on top) in national reputation surveys is, I think, pretty impressive.
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<p>But you didn't cite the NRC rankings. You cited the USNews departmental peer rankings. It's not clear to me that these rankings are in any way biased towards big departments. </p>
<p>Also, let's consider what you just said carefully. You say that there are economies of scale in research. I have no opinion about this, but let's say it is true. If it is true, then Caltech should rightfully be dinged for being small. After all, if there really are economies of scale, then the fact that Caltech is too small means that it doesn't get to enjoy those economies of scale, whereas the big schools do. You might say that that's not a "fair" advantage in that if Caltech was bigger, it would be able to enjoy these economies, but it doesn't really matter whether it's fair or not. The only thing that matters is who has the advantage. </p>
<p>For example, a big reason why Shaquille O'Neal is such a good player is because he's so much bigger and taller than most other players. It's not "fair" that he enjoys this advantage, but it doesn't really matter whether it's fair or not. When I need to form a good basketball team, I want a good player, and whether that player is good because of "unfair" advantages is irrelevant to me. Similarly, when I want to get my PhD, I want to choose the place that has the best opportunities for research going on, and it doesn't matter to me whether one school has an "unfair" economy of scale over another. </p>
<p>Again, let me reiterate. I don't know if economies of scale exist in research. what I am saying is that if that is true, then Caltech should rightfully be dinged by the NRC and other rankings for being too small. What it would mean is that Caltech would be an even better school than it is now if it got bigger. If it chooses not to do that, fair enough, that's it's prerogative, but that means that it's forfeiting any economies of scale. </p>
<p>Look, I am not saying that Caltech is a bad research organization. Indeed, I believe that Caltech is clearly one of the elite science and engineering research centers in the world. But at the same time, I don't see that Caltech is getting shafted by the USNews departmental rankings. I think those rankings are reliable the way they are.</p>