SCHLETT, András. POPULATION AGEING AND THE TRAGEDY OF THE PENSION COMMONS. Ekonomika, [S. l.], v. 90, n. 3, p. 58–72, 2011. DOI: 10.15388/Ekon.2011.0.935. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/935.. Acesso em: 3 may. 2024.