Popularity in high school yields a 10% wage premium 40 years later
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privatewww.essex.ac.uk
In other news, ice cream truck drivers now on trial as accessories to murder during summer time.
[edit: So it doesn't come off as otherwise, I'm not snarking you. From a preliminary glance, it certainly looks like they might be doing that whole "correlation == causation" bug that can happen very frequently. Your analysis seems reasonable to me]
I don't know where you went to high school, but in mine there was a huge socioeconomic difference between the families in those two subsets.
It's more than just charisma, I'd wager.
If you don't want to read the whole paper, the interesting sections are, Table 2, sections 3.2 and 3.2 (including Table 3), and, of course, the intro and conclusion.
Frankly, I'm surprised the wage premium for popularity is so low. The wage premium for managers (and execs) is high, and folks who have good people skills are much more likely to become managers. So, why isn't the wage premium higher?