What are some examples of perfectly competitive markets and monopoly markets?

Complete monopoly market: state monopoly economic power, PetroChina, Sinopec, Ministry of Railways, State Grid, etc.

Oligopoly market: The typical four major groups are China Telecom, China Unicom, China Mobile, and Radio and Television.

Monopolistic competition market: The typical competition is Microsoft, Google, and Apple.

Small and medium-sized enterprises in a perfectly competitive market involve a wide range of aspects.

Complete monopoly can be divided into two types:

1. Complete government monopoly. Usually in public institutions, such as state-owned railways, posts and telecommunications departments.

2. Complete private monopoly. Such as franchises granted by the government, exclusive operations based on patented production, and exclusive private monopolies established due to strong capital and advanced technology.

1. Characteristics of oligopoly market:

The market structure of oligopoly is similar to monopolistic competition, that is, it contains both monopoly factors and competition factors. But relatively speaking, it is closer to a monopoly market structure, because a few companies occupy a large share of the market, giving these companies considerable monopoly power. The products of an oligopoly can be homogeneous or differentiated.

2. Characteristics of a perfect monopoly market:

The long-term equilibrium of a perfect monopoly industry is characterized by excess profits, which is different from the zero excess profits or losses of a perfectly competitive industry. Different. The long-term equilibrium condition of a perfect monopoly is: MR=LMC=SMC. Compared with the long-term equilibrium condition of a perfectly competitive firm, there is no MR=LAC=SAC.

3. Characteristics of the monopolistic competition market:

Monopolistic competition is a common feature in the old economy, and this feature is even more prominent in the era of the new economy (also known as the knowledge economy). more obvious. Monopolistic competition is one of the more typical market forms in economics. Enterprises engaging in monopolistic competition will have zero or low profits in the short term, but huge profits in the long term.