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*24500$aUpstairs, downstairs :$bcomputer-skill complementarity and computer-labor substitution on two floors of a large bank$cDavid H. Autor, Frank Levy, Richard J. Murnane
*260  $aCambridge, Mass.$bNBER$c2000
*300  $a24 s.
*4901 $aNBER working paper series$v7890
*7001 $aAutor, David H.$_76166300
*7001 $aLevy, Frank$_76166400
*7001 $aMurnane, Richard J$_61146300
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v7890$w999105437124702201$_13074900
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^