Welfare of the elderly : an economic analysis and policy prescription / W. Kip Viscusi. Viscusi, W. Kip. Old age assistance United States. Older people United States Economic conditions. HV1461 .V57 363.60973 VIW "A Wiley-Interscience publication." Includes bibliographical references and index. Bibliography: p. 240-247. New York : Wiley, c1979. c1979. 1979 Text 251 p. : eng The Wiley series in urban research United States. United States