Increasing returns to IQ. Charles Murray predicted thith.
The US Black-White unemployment gap is a post-WW2 thing. Due to some kind of cultural change? Too generous welfare? Disappearance of low skilled jobs (tech unemployment)? https://people.ucsc.edu/~rfairlie/papers/published/ilrr%201999%20-%20racial%20unemployment.pdf …pic.twitter.com/B6UpU0l8Ck
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Kinda sorta. Not effect of time in meta-analysis of correlations (Strenze 2007), but variance in income went up, so returns to IQ in USD went up, but not the correlation (it seems). https://www.gwern.net/docs/iq/2007-strenze.pdf …
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I assume the Great Migration is where the divergence began. Btw 1930-1970, millions of blacks moved from rural south to urban northpic.twitter.com/9PZbxyvUJu
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The chart in Fig 3 seems to reinforce idea that there was a sharp spike in other regions (particularly midwest), while South remained fairly stable/low diff btw/ black/white pops Return of troops from WWII would have likely had large effect displacing blacks for white workers.
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Minimum wage laws may be worthy of attention here as well, in addition to the factors already proposed. First national minimum wage legislation for the US was passed in 1938.
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Looks like it began in the 1930s, or during the Great Depression, not after WWII.
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Minimum wage, at national level (the first state was Massachusetts in 1912), was imposed in the 30s. Coincidently when the gap started.
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Thomas Sowell has written about this phenomenon. Main culprit minimum wage:http://www.aei.org/publication/thomas-sowell-on-the-differential-impact-of-the-minimum-wage/ …
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the usual explanation is the large scale entry of women (mainly white women) into the work force, encouraged by the war effort, displacing black men
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With less cultural restrictions the inherent racial differences naturally have greater predominance in shaping your behavioral pattern combined with a more complex technological society you get this...
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All of the above
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I've seen people throw around protectionist arguments for this, that desegregation opened up blacks to competition from whites, causing unemployment. Not saying I buy it, that I believe this was a major factor, but seemed worth mentioning.
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The trend started prior to desegregation though so you'd need to account for that somehow.
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