McConnell and Brue's Macroeconomics: Principles, Problems, and Policies is the leading Principles of Macroeconomics textbook. It continues to be innovative while teaching students in a clear, unbiased way. The 18th Edition builds upon the tradition of leadership by sticking to 3 main goals: help the beginning student master the principles essential for understanding the economizing problem, specific economic issues, and the policy alternatives, help the student understand and apply the economic perspective and reason accurately and objectively about economic matters, and promote a lasting student interest in economics and the economy.