000 00495cam a22001457a 4500
008 180718b2005 xxu||||| |||| 00| 0 eng d
100 _aMcKenzie, David J.
245 _aPaper walls are easier to tear down: passport costs and legal barriers to emigration
_cby David J McKenzie
260 _aWashington, D.C.
_bWorld Bank
_c2005
300 _a23p.
440 _aPolicy research working paper; no. 3783
650 _aPassports
650 _aEmigration and immigration
650 _aForeign workers
999 _c293119
_d293119