① Perfect competitive market: refers to a market with low market concentration, complete market information and free access for manufacturers. In the real economy, it is difficult to fully meet the requirements of this market.
(2) Monopoly competitive market: refers to the market with low industrial concentration, low market share of enterprises and weak market power. Monopoly competitive market is a market structure close to the real economic situation.
Oligopoly market: this kind of market has high industrial concentration and high barriers to entry and exit. Many important industrial sectors in modern market economy countries show this market structure.
(4) Complete monopoly market: refers to the market where the absolute concentration of the industry is 100% and there is no product substitute in the market. Like a perfectly competitive market, this market is also a market that is difficult to appear in reality.
What is the basis of market structure division?
Number of producers in the industry: if there is only one enterprise in the industry, it can be divided into a completely monopolized market; If there are only a few large enterprises, it is an oligopoly market; If there are a large number of enterprises, they can be divided into perfect competitive markets or monopoly competitive markets.
(2) The degree of product difference between producers of enterprises in this industry: This is the main difference between monopoly competitive market and perfect competitive market.
③ The size of entry barriers: Entry barriers refer to the resistance that new enterprises encounter when they want to enter a certain industry. The smaller the barriers to entry, the higher the degree of competition; On the contrary, the greater the barriers to entry, the higher the degree of monopoly.