"The big challenge for any retailer is to make sure that the people coming into the store actually buy stuff, and research suggests that not scrimping on payroll is crucial...stinting on employees doesn't actually save you money. It just gets you less for less." (James Surowiecki, "The More the Merrier," The New Yorker, 3/26/12)
This article says that smart employers like Trader Joe's and Costco have profited by taking good care of their employees and customers, while clueless companies like Circuit City (gone!) and Home Depot that slash jobs and services lose money in the long run. Duh!