Monopolized: railroad transportation, metro, utilities. Monopoly is disadvantageous to consumers: the monopolist is not interested in improving the quality of its products, in increasing the range, he has the ability to set inflated prices. The state pursues an antimonopoly policy to promote fair competition, suppress unfair competition, and restrict monopolistic activities.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.