Meanwhile UC Berkley did a study on what would happen if Wal-Mart and other big box retailers raised their wages to $12/hr and passed all costs associated with it onto consumers <a href="http://laborcenter.berkeley.edu/retail/bigbox_livingwage_policies11.pdf">http://laborcenter.berkeley.edu/retail/bigbox_livingwage_policies11.pdf</a> Page 3 is the summary.