All of this also affects the unemployment rate , which Global Insight attributed a percentage lower because of Wal-Mart . In a more recent study conducted by the Economic Policy Institute (EPI ) in 2006 , the group focuses on Wal-Mart 's employee wages in relation to its profits and analyses the macro methods that the GI study employed . The study determined that the chain is able to offer higher salaries to its staff members and keep profits half a percentage higher than its...











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