Wages remained stagnant?

[RadioRaheem84]

http://www.ssa.gov/oact/cola/AWI.html#Series

National Average Wage Index

1951-1960: 4.09%
1961-1970: 4.45%
1971-1980: 7.31%
1981-1990: 5.34%
1991-2000: 4.35%
2001-2010: 2.64%


Most left wing authors say wages remained stagnant or haven't risen since the late 70s. What is their source?

[ellipsis]

I think the statistic you are referring to is that since 1973 American worker productivity has tripled despite stagnant wages relative to inflation. I don't know the source, I think the IWW pamphlet 20 hour work week.

[subcp]

US government statistics.

Andrew Kliman's book documents this from Federal government source material; but the counter-argument he uses is that while wages and productivity have been separated (after WWII, as productivity rose, wages rose with it), more money in benefits and savings are used in the course of a worker's life than in the 1940's-1970's; that the share of the 'social wage' has risen even if the wage itself has stagnated. 'The Failure of Capitalist Production' is the book with all of the data and analysis.

http://www.marxisthumanistinitiative.org/cc2010/andrew-kliman

The groups that published the Sic journal document this as well, though not with statistical analysis directly. They describe it as a decoupling of the wage from productivity.

http://sic.communisation.net/