Designed as a true introduction to the subject, Essentials of Pharmacoeconomics: Health Economics and Outcomes Research, ThirdEdition includes information on fundamental topics, defines terminology, and provides examples for evaluating published research, making it perfect for any pharmacy student or practitioner new to the topic. This updated edition provides the critical foundations of knowledge for measuring costs and health-related quality-of-life (HRQoL) and evaluating the four types of studies (CMA, CEA, CUA, and CBA); it also explains Markov and Budget Impact Analysis modeling, and discusses the advantages and disadvantages of using retrospective databases and real-world data (RWD). Additionally, the text summarizes the use of pharmacoeconomic evaluations by decision makers outside of the United States and the extent to which pharmacoeconomic data are used to make decisions in the United States, includes barriers to its use, and discusses future issues. All of this information is designed to ensure preparedness to improve clinical and humanistic outcomes based on available resources.