Decreasing the asymmetry of information between the owners of the firm (principals) and executives (agents) would help to control the principal-agent relationship (PAR) problem. The PAR problem arises from the agents (executives / employees) having more information about the company than the principals (owners / shareholders) and misusing that information to the advantage of the agents at the expense of the firm or principals. The other two answer choices are methods for reducing the PAR problem by affecting the behavior of agents by setting goals and principles of behavior and removing agents who misbehave and violate ethics. | 
