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*035  $a(EXLNZ-47BIBSYS_NETWORK)990418465324702201
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*1001 $aBernard, Andrew B.$0(NO-TrBIB)2089621$_22584000
*24510$aComparative advantage and heterogeneous firms$cAndrew B. Bernard, Stephen Redding, Peter K. Schott
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
*300  $a53 s.$bfig.
*4901 $aWorking paper series / National Bureau of Economic Research$v10668
*7001 $aRedding, Stephen$0(NO-TrBIB)527$_22584100
*7001 $aSchott, Peter K.$0(NO-TrBIB)2107348$_22584200
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v10668$w999105437124702201$_13074900
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