So, not only do we give up control of the social product of our labour, under the contractural arrangements of the wages system, we're also seeing the relation between output per hour and real wages, real compensation decline. I would add that any decline in control over the amount of wealth we get in relation to the amount we produce is accompanied by a decline in political influence and serves only to increase our rulers' rate of profit.
see information is on page 12 of the study--graph 6.
http://www.economicmobility.org/assets/pdfs/PEW_EMP_AMERICAN_DREAM.pdf
Also:
from: http://www.epi.org/content.cfm/webfeatures_viewpoints_monetary_plcy_economy
