International migration, domestic unemployment, and urbanization : a three-sector model /
Michael P. Todaro
- New York : Population Council (PC) , 1986
- 29p. : ill. ; 22 cm.
- Working papers (Population Council. Center for Policy Studies) No. 124 .
Includes bibliographical references.
Rural-urban migration--Mathematical models--Developing countries Unemployment --Mathematical models--Developing countries Emigration and immigration--Mathematical models--Developing countries