Social union, convergence and migration /
Sinn, Hans-Werner.
Ochel, Wolfgang,1943-
CESifo.
[Munich] : CESifo,
2004.
Caption title.
Offprint: JCMS, vol. 41, no. 5 (2003), pp. 869-96.
"The international platform of Ludwig-Maximilians University's Center for Economic Studies and the Ifo Institute for Economic Research"--Cover.
Includes bibliography (p. 894-896).