Generally speaking, in a perfectly competitive market, all buyers pay the same price for similar products. If all consumers have enough knowledge, then the price difference between products of each fixed quality unit does not exist. Because any seller who tries to charge more than the current market price will find that no one will buy the product from them. However, price discrimination is very common in the market where the seller is a monopolist or oligarch.
Extended data:
The embodiment of price discrimination in e-commerce
1, sold to each user at different prices, and the seller can get all the detailed information of the user.
2. Provide a product line for users to choose the version that suits them.
3. Set different prices for different consumer groups.
Baidu encyclopedia-price discrimination