Pharmacoeconomics is a branch of health economics that specifically focuses on the cost-effectiveness and efficiency of pharmaceutical products and healthcare interventions. It involves analyzing and comparing the costs and benefits of various treatment options to inform healthcare decision-making and resource allocation. Pharmacoeconomic studies often incorporate economic evaluation techniques, such as cost-effectiveness analysis, cost-utility analysis, and budget impact analysis, to determine the value of different healthcare interventions in terms of their costs and outcomes. The goal of pharmacoeconomics is to help policymakers, healthcare providers, and patients make informed decisions about the most cost-effective and efficient use of limited healthcare resources.