Bongaarts (2004) Population Aging and the Rising Cost of Public Pensions
Demeny (2003) Population Policy Dilemmas in Europe at the Dawn of the Twenty-First Century
Fogel (2004) Changes in the Process of Aging during the Twentieth Century
Teitelbaum and Winter (1985) The Fear of Population Decline
Wise (2004) Social Security Provisions and the Labor Force Participation of Older Workers