The article reviews how securities regulations are studied from an economic viewpoint. It looks at the rules in the U.S. that govern securities and how they differ from other laws. The research discusses the importance of disclosing information in the stock market to address issues like unequal information and conflicts of interest. It also examines how effective mandatory disclosure rules are in practice. The paper covers various aspects of U.S. securities regulation, such as public offerings, trading markets, fraud, insider trading, and mutual funds. Overall, it provides a background on the topic and summarizes key research findings that can guide future studies.