Obesity, which has increased in most developed countries in the past few decades, is the result of genetics, environment, and individual choices. Economics is useful for studying the individual choices that lead to obesity, explanations for the recent rise in obesity, the treatment options for obesity, and the costs and consequences of obesity for the individual and society. The papers in this volume, devoted to the economics of obesity, illustrate the wide usefulness of the economic approach. The papers in the first section propose and test economic explanations for food-consumption choices...

Medical technology broadly defined to include all aspects of the process of treating disease (e.g., pharmaceuticals, medical devices, and surgical procedures) is profoundly important for individual health and, consequently, also for general welfare. Advances in medical technology convey the prospect of both improved population health and increased general welfare. However, because of the extensive regulation of the markets for healthcare goods and services, the development and application of medical technologies differs fundamentally from non-medical technological advances. In this volume of...