public interest is based on market failure and welfare economics. It holds that regulation is the response of the government to public needs. Its purpose is to make up for market failures, improve the efficiency of resource allocation, and maximize social welfare. Posner pointed out that the public interest theory contains the assumption that the market is fragile, and that if left unchecked, it will tend to be unfair and inefficient, and government regulation is a costless and effective way to meet the needs of social justice and efficiency. Mimik believes that government regulation is a public administration policy that focuses on private behavior. It is a rule drawn from the public interest. Irving and Brouhingan saw regulation as a way of obeying public needs and weakening the risk of market operations. They also expressed the view that regulation reflects the public interest. Development The review of the United States' history of regulation at the end of the 19th century, especially the regulation of railway tariffs by the Interstate Commerce Commission (ICC) in 1887, revealed that regulations and market failures are not co-relevant. At least until the 1960s, regulation was developed in the direction of favoring producers, and regulation increased the profits of manufacturers within the industry. In potentially competitive industries such as trucking and taxis, regulations allow higher prices and prevent entrants. In monopoly industries such as electric power generation, there is evidence that regulation has little effect on prices, so the industry can earn excess profits. Evidence shows that regulation is beneficial to producers. These observations led to the emergence and development of regulatory capture theory. Contrary to regulatory public interest theory, this holds that the provision of regulation adapts to the industry's needs, that is, both the legislator and regulator are controlled and captured by the industry. The basic view of the theory is that the regulator gets captured no matter how the regulatory scheme is designed. The implication is that regulation increases the industry's profits rather than the social welfare. This was essentially a purely capture theory in the early days, that is, the regulators and legislators were captured and controlled by the industry. Later regulatory models, such as those by Stigler, Pelzmann, or Becker, follow the regulatory capture theory in the eyes of Posner (1974) and others. All these models reflect that regulators and legislators are trying to maximize private, not public, interests. They use