@base . a ; "0008-3976" ; . "Canada" . a , , ; , , ; "Canadian journal of agricultural economics." ; ; ; ; "0008-3976" ; ; ; "0008-3976" ; ; "0008-3976" ; "Canadian journal of agricultural economics" , "Canadian journal of agricultural economics." ; . a ; "0008-3976" ; . . a . a , ; "Canadian journal of agricultural economics" . a ; . a ; ; "20090125154900.0"^^ ; ; .