There has been quite a bit of work done in this area. Professor Kenneth Stone
at Iowa State University has done a number of studies. There is also a very
extensive report that I downloaded from the Internet by Edward B. Shils. I
don't remember the address from which I downloaded it but I think a search for
"Wal Mart and Shils" should lead you there. It has an extensive bibliography
that was probably inclusive of nearly everything germane when this study was
completed. Good luck.
Donovan D. Rypkema
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