This book integrates the fundamentals of quantitative significance, using existing estimates of the elasticities of demand for tax, health insurance, and medical services in a static microsimulation model. It serves as a guide to the financial and social basics of health insurance and provides the reader with the intellectual groundwork indispensable for understanding the incorrect assumptions about the elasticities of demand and pattern of tax and health insurance. Most countries feel constant pressure because expenditure is increasing and resources are scarce. The topics addressed in this book including several frameworks leading to over-insurance, excess demand for medical care, and rapid expenditure growth in the medical care sector. Illustrated by carefully chosen examples and supported by extensive data analyses, this book is highly recommended to readers who seek an in-depth and up-to-date integrated overview of the ever-expanding theoretical and quantitative fields of containing costs, increasing funding for health services, or both.