"Nke a ọhụrụ definition nke a commodity na-enye ohere ka onye na-enweta a tiori nke [ize ndụ] free nke ọ bụla puru omume echiche"...Ndị a nkọwa nwere ike ikpokọta. Ya mere, zuru ezu Arrow <unk> Debreu nlereanya nwere ike kwuru na-emetụta mgbe ngwongwo na-amata site mgbe ha ga-anapụta, ebe ha ga-anapụta na n'okpuru ihe ọnọdụ ha ga-anapụta, nakwa dị ka ha intrinsic ọdịdị. Ya mere, a ga-enwe a zuru ezu set nke ahịa maka ndị dị otú ahụ dị ka "1 ton nke Florida red wheat, nyefere na 3rd nke January na Minneapolis, Florida, ma ọ bụrụ na e nwere a zuru ezu itule na oké ifufe n'oge December".
ọka wit uhie