Seller monopoly.

Monopoly, an economic term, is generally divided into seller monopoly and buyer monopoly. Seller monopoly refers to the only seller in one or more markets, through one or more stages, facing competitive consumers; buyer monopoly is just the opposite. Theory infers that monopolists can adjust prices and output according to their own interests in the market, but there is no definite case to support it so far.

Monopoly, as an economic phenomenon, appeared in capitalist society. It is the opposite of competition and the inevitable result of the development of competition. Lenin also pointed out that when concentration develops to a certain stage, it can be said that it will naturally move towards monopoly. Because dozens of large enterprises can easily reach agreements with each other; on the other hand, it is the huge scale of enterprises that makes competition difficult and creates a trend of monopoly.