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<p>Like I said, I don’t have evidence. Nobody does. That’s the point. I have not seen any evidence, one way or another, that tells me that the “PhD concentration” among faculty has been increasing. </p>
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<p>Why don’t you actually read my posts? I think I explained it quite well.</p>
<p>What it has to do with it is that many Asian nationals or Asian-Americans who are earning PhD’s who would have formerly competed for US faculty positions are now going back to Asia, therefore decreasing the competition here. Furthermore, as I discussed, many non-Asians who are earning US PhD’s are taking positions in Asia. As I mentioned before, I know of a white guy who speaks no Asian languages who just completed his PhD at Harvard and placed as an assistant professor in Singapore, rather than competing for a position in the US. </p>
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<p>Oh really? Is that right? My father got his PhD about 30 years ago from a top-ranked US program. He had great difficulty finding a job. So did a lot of people in his cohort. He used to tell me stories about how only a minority of people in his group - many of whom were Chinese nationals or Chinese-Americans - got zero academic offers. Heck, one of those Chinese guys ended up having to take a series of postdocs at some no-name schools in Canada. If they had graduated today, surely many of them would have gone back to China and taken nice faculty positions, something that wasn’t really an option 30 years ago. </p>
<p>The point is, it is not at all clear to me that PhD’s have become more important in the last 30 years in terms of academic placement. The ‘Asia option’ was not available back then. Now it is. Lots of Asians grad students are looking to go back home. That reduces the level of competition here. Now, does that reduce it by enough to compensate for the other factors that may be increasing the level of “PhD concentration”? That, I don’t know, and for which I have not seen the data. </p>
<p>If somebody would like to show me the data that contrasts today vs. 30 years ago, I would be happy to see it. Or at least, can describe a reasonable story about why PhD concentration would have increased compared to 30 years ago in spite of the ‘Asia option’, I would be happy to discuss it. But if nobody can do that, then I think we have to conclude that we are talking about an unsupported assertion.</p>