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*008020429s1996    xxu           000 u eng d
*00900748cam a22002177c 4500
*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209456044702201
*035  $a(NO-LaBS)15185454(bibid)
*035  $a(NO-TrBIB)020945604
*035  $a020945604-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aFree entry and social inefficiency in radio broadcasting
*260  $aCambridge, Mass.$bNBER$c1996
*300  $a27,[8] s.
*4901 $aNBER working paper series$vno. 5528
*7001 $aBerry, Steven$_23090900
*7001 $aWaldfogel, Joel$_45151900
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$vno. 5528$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209456044702202$b2021-11-14T20:07:22Z$z990209456044702202
^