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*035  $a(EXLNZ-47BIBSYS_NETWORK)990209387644702201
*035  $a(NO-LaBS)13647991(bibid)
*035  $a(NO-TrBIB)020938764
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*040  $aNO-TrBIB$bnob$ekatreg
*24500$aPolitics and trade policy$cElhanan Helpman
*260  $aCambridge, Mass.$bNBER$c1995
*300  $a34 s.
*4901 $aNBER working paper series$vno. 5309
*7001 $aHelpman, Elhanan$_63485100
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$vno. 5309$w999105437124702201$_13074900
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^