installing security system and store operating procedure that lower shrinkage rate
negotiating preferred real estate rental and leasing rate with real estate developer and owner of it store site
managing and compensating its workfore in a manner that produce lower labor cost
altogether these value chain initative give walmart an approximately 22 percent cost advantage over Kroger, Safeway and other leading supermarket chain with such a sizable cost advantage walmart has been able to underprice its rival and rapidly become the world leading supermarket retailer