Alternative mechanisms for financing social security /
Parthasara thi Shome and Lyn Squire.
- Washington, D.C. : The World Bank, 1983.
- 49 p. : ill. ; 27 cm.
- World Bank Staff working papers ; no. 625 .
Includes bibliographical references (p. 48-49)
Social security--Administration. Capital--Mathematical models. Labor supply--Mathematical models.