Decline in the Labor Share of Income

Labor and Capital in the Global Economy

http://democracyjournal.org/magazine/43/labor-and-capital-in-the-global-economy/

Competing Theories

https://www.bloomberg.com/view/articles/2017-04-24/cracking-the-mystery-of-labor-s-falling-share-of-gdp

Rise of Monopolies

https://www.bloomberg.com/view/articles/2017-01-26/blame-monopolies-for-short-changing-u-s-workers

Role of Technology and Globalization
https://www.bloomberg.com/view/articles/2017-09-20/why-workers-are-losing-to-capitalists