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01721cam a2200361Ia 4500 001 9F060FA02AFA11DEBAFE5107A8D7520A 005 200904162151.0 008 990803s1999 maua b f000 0 eng d 035 $a (OCoLC)42003217 040 $a DBI $c DBI $d SILO $d GAO $d NIU $d SILO 100 1 $a Hanson, Gordon H. $q (Gordon Howard) 245 1 $a Does border enforcement protect U.S. workers from illegal immigration? / $c Gordon H. Hanson, Raymond Robertson, Antonio Spilimbergo. 260 $a Cambridge, MA : $b National Bureau of Economic Research, $c c1999. 300 $a 38, [11] p. : $b ill. ; $c 22 cm. 490 1 $a NBER working paper series ; $v working paper 7054 500 $a "March 1999." 504 $a Includes bibliographical references (p. 27-29). 530 $a Also issued via the Internet. 536 $a Financial support from the National Science Foundation. $c SBR-9617578 650 0 $a Border patrols $z Mexican-American Border Region $x Econometric models. 650 0 $a Wages $x Econometric models. $z United States $x Econometric models. 650 0 $a Wage differentials $z Mexican-American Border Region $x Econometric models. 650 0 $a Illegal aliens $x Econometric models. $z United States $x Econometric models. 700 1 $a Robertson, Raymond, $d 1969- 700 1 $a Spilimbergo, Antonio. 710 2 $a National Bureau of Economic Research. 830 0 $a Working paper series (National Bureau of Economic Research) ; $v working paper no. 7054. 856 41 $z Click here to download PDF file $u http://nberws.nber.org/papers/W7054 939 $a 4071046 941 $a 1 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=9F060FA02AFA11DEBAFE5107A8D7520A 994 $a 02 $b NIU 952 $l UNUX074 $d 20090701080000.0Initiate Another SILO Locator Search