Alan Williams (economist)

Alan Williams is a renowned economist known for his contributions to health economics, particularly in the area of cost-effectiveness analysis. He developed the concept of "QALY" (Quality-Adjusted Life Year), which is a method for assessing the value of medical interventions by considering both the quantity and quality of life they provide. His work has played a crucial role in informing health policy decisions and resource allocation in healthcare systems, helping ensure that investments in health achieve the best possible outcomes for patients.