According to him, coupons are used in other countries when there is a limited amount of goods or services and they need to be given to everyone alike, or to some kind of a social group.
Anot jo, kitose šalyse kuponai naudojami, kai yra ribota prekių arba paslaugų apimtis ir jas reikia suteikti visiems vienodai, arba kažkokiai socialinei grupei.