Artificially raising product prices by manipulating market supply is a highly unethical practice and is illegal in many countries and regions. Such behavior is often considered monopolistic or collusive behavior and violates antitrust laws and competition regulations. However, in theory, reducing the supply of products in the market (such as limiting production, hoarding products, etc.) can lead to insufficient supply and thus push up prices. But this is only possible under the following conditions: 1. **Market power**: The manipulator must have sufficient market power or a significant market share. 2. **Competitive restrictions**: There are not enough competitors in the market to quickly fill the supply gap. 3. **Inelastic demand**: The demand for the product must be inelastic, that is, consumers are willing to buy the product even when the price increases. Such behavior may be subject to legal sanctions, including fines, injunctions, and even criminal charges, and cause long-term damage to the company's reputation and consumer trust. Therefore, it is not worth the risk to engage in such behavior. Supporting a legal, transparent and fair competitive market is a sustainable and responsible business strategy.