Zakharchenko, Natalia V.Захарченко, Наталя ВячеславівнаЗахарченко, Наталья Вячеславовна2018-05-182018-05-182016International scientific conference "Economy and society: modern foundation for human development", October 31th, 2016 : proceedings of the conference / Leipzig univ. – Leipzig : Baltija Publishing, 2016 .https://dspace.onu.edu.ua/handle/123456789/15309Expansion of borders will be possible if as a result of technical development, consumer will be able to switch to the consumption of various products without special expenses, i.e. such products become interchangeable. Then, for example, increasing the price of the main product, reducing the volume of supplies, the creation an artificial shortage or any other monopolistic activities of enterprises, consumers will be able to switch to the consumption of substitutes without much cost to themselves.endevelopmensuppliesactivitiescreationArticle