Handbook of the Economics of Population Aging, Volume 1A, provides the economic literature on aging and associated subjects, including social insurance and healthcare costs. This text explores the economic literature on aging and associated subjects, including social insurance, health care costs, the interests of policymakers, and the role of academics. As the first of two volumes, users will find it a great resource on the topics associated with the economics of aging. Together with its companion, volume 1B, this work includes literature that has appeared in general economics journals, in various field journals in economics, especially, but not exclusively, those covering labor market and human resource issues, information from interdisciplinary social science and life science journals, and data presented in papers by economists published in journals associated with gerontology, history, sociology, political science, and demography, amongst others.