This paper explores how companies can make better decisions about investing and managing their finances by learning from the stock market. By using a model that considers imperfect information and allowing firms to choose their capital structure and investment strategies, the researchers found that committing to riskier investment plans can actually be beneficial. They also discovered that issuing debt can improve the value of a company and make the market more informative. Additionally, the study suggests that by following the optimal capital structure, companies can avoid making inconsistent investment decisions.