South-North migration and trade : a survey /
Maurice Schiff.
- Washington, D.C. : World Bank, International Economics Dept., Int ernational Trade Division, [1996].
- 55 p. : ill. ; 28 cm.
- Policy research working paper ; 1696 .
"December 1996"--Cover.
Includes bibliographical references (p. 46-55).
Emigration and immigration -- Economic aspects -- Economoetric model s. Free trade -- Econometric models.