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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209825344702201
*035  $a(NO-LaBS)14234438(bibid)
*035  $a(NO-TrBIB)020982534
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*040  $aNO-TrBIB$bnob$ekatreg
*24500$aTax policy and human capital formation
*260  $aCambridge, Mass.$bNBER$c1998
*300  $a11 s.
*4901 $aNBER working paper series$v6462
*7001 $aHeckman, James J.$_26741100
*7001 $aLochner, Lance$_29468000
*7001 $aTaber, Christopher$_29468100
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6462$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209825344702202$b2021-11-14T19:54:43Z$z990209825344702202
^