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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990223243304702201
*035  $a(NO-LaBS)14375041(bibid)
*035  $a(NO-TrBIB)02232433x
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*1001 $aHogan, Vincent$0(NO-TrBIB)2103947$_62885700
*24510$aUsing heteroscedasticity to estimate the returns to education$cVincent Hogan, Roberto Rigobon
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a25 s.$bfig.
*4901 $aWorking paper series / National Bureau of Economic Research$v9145
*7001 $aRigobon, Roberto$0(NO-TrBIB)2032849$_34068300
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v9145$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990223243304702202$b2021-11-14T20:13:17Z$z990223243304702202
^