(Replying to self) Found this survey article: http://www.nber.org/papers/w13982 http://www.nber.org/papers/w13982 Their findings are that labor's share of ove

(Replying to self) Found this survey article: http://www.nber.org/papers/w13982 http://www.nber.org/papers/w13982 Their findings are that labor's share of overall income hasn't declined, but that wages/salaries have gotten much more unequal within the sector of employment-based income. Some of the factors they point to are: a greater polarization along skill lines; a decline in high-wage, skilled blue-collar labor; and a rise in the pay and number of high-end salaried jobs such as investment banking and C-level officers. It's a bit long, but worth at least a skim.