Jan-Benedict Steenkamp, a marketing expert at the University of North Carolina, estimates that the share of private-label goods is now 20% at Wal-Mart and 35% at Kroger, two huge American retailers. 根據(jù)UniversityofNorthCarolina的市場推廣專家Jan-BenedictSteenkamp估算，美國兩大零售商Walmart(沃爾瑪)和Kroger的自有品牌產(chǎn)品比例已經(jīng)分別上升到20%25和35%25之多。