Utilitarianism is a consequentialist ethical theory that posits that the best action is one that maximizes utility, typically defined as that which produces the greatest well-being of the greatest number of people. This philosophical approach has profound implications in various fields including ethics, economics, and public policy. By analyzing various case studies and implications in real-life decisions, this tag page provides an in-depth exploration of the principles of utilitarianism, its historical development, and its relevance in contemporary discussions about morality and ethics.