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*1001 $aLaw, Marc T.$0(NO-TrBIB)4050724$_74607000
*24510$aSpecialization and regulation :$bthe rise of professionals and the emergence of occupational licensing regulation$cMarc T. Law, Sukkoo Kim
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
*300  $a36, [8] s.$btab.
*4901 $aWorking paper series / National Bureau of Economic Research$v10467
*7001 $aKim, Sukkoo$0(NO-TrBIB)2049302$_55006100
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