Earlier quoted context omitted.
I don't know if I buy that. Is there data that shows retail clerk wages declining over time? I happen to have a factory worker, airline stewardess, and retail clerk in my extended family and their wages have all increased over the past 20 years. I mean, not by amazing amounts, but definitely I wouldn't say they are doing worse than they were before.
Wages by industry: ftp://ftp.bls.gov/pub/suppl/empsit.ceseeb2.txt Historical CPI: ftp://ftp.bls.gov/pub/special.requests/cpi/cpiai.txt From 1964-2010, weekly manufacturing wages rose from $102.59 to $765.08/week. "Private service-providing" jobs (which includes retail) went from $98.10 to $606.14. Over that same time period, the CPI rose from an index of 30.9 to to 216.687, an increase of 7x. In real terms, retail wa…
http://en.wikipedia.org/wiki/Boskin_Commission
Correcting for this error, retail wages have risen 33% and manufacturing wages have increased about 50%.