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The most telling thing about PhD programs is the attrition rate compared to elite professional programs. Attrition reates "for academic reasons" appear to be under 2% in elite JD and MD programs.

https://www.aamc.org/download/102346/data/aibvol7no2.pdf

The spread for law schools is much higher than for med schools, but for elite schools, it is also exceptionally low, well under 2%.

http://taxprof.typepad.com/taxprof_blog/2008/04/law-school-r...

(note - just realized these are only 1L attrition rates. It isn't going to change much here).

Ph.D programs, even at elite schools and in science or engineering, are by comparison a horror show of failure and attrition.

It looks like completion rates for engineering - best of the bunch, are around 65%. For mathematics and physical sciences, it's about 55%.

www.phdcompletion.org/resources/CGSNSF2008_Sowell.pdf

I know this is a trick, dividing by such a low number, but I suspect that the PhD completion rate for the 3rd rated Engineering school (Berkeley) compared to the 3rd ranked law schools (Columbia) is about .3/.003. About 100 times higher. This is silly, because the attrition rate at Yale is zero, which means it's actually impossible to compute how much higher the top rated Engineering (MIT) PhD programs's attrition rate actually is. Or, as we said in grade school but not grad school, "infinity higher".

There are a couple reasons for this. Speaking as a PhD dropout myself, half of a PhD in engineering isn't as much of a loss as half of med school. I don't need the PhD to be licensed, so nobody's going to put me in jail for writing code. Completing 2 years of med school and dropping out is far worse than Mastering out of engineering. I just got to earning more quickly. At the same time, I think that many elite schools are able to suppress their true attrition rates by counting MS students as having achieved their degree goal (in short, I suspect the true attrition rate is higher than the already grim numbers).

But our wise elders in government (almost always lawyers) who wring their hands about the shortage of US students in PhD programs never seem to ask... why is Berkeley's Engineering PhD attrition rate 100 times higher than an elite law school. Are the magna cum laude applied math majors with 800/800 on the GRE and specialized subject tests just dumber than lawyers?

In reality, Americans have pretty much given up on PhDs in engineering and science. Sadly, this is rational for people who have the choice to go into the professions. However, if you'd like to come to the US, and you're looking for a way to sidestep our byzantine immigration system, a grad degree in a STEM field from a good US based university can be a wise move, especially since the professional schools are far less likely to admit large numbers of international students.



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