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*1001 $aRust, John$d1943-$0(NO-TrBIB)90361435$_32970600
*24510$aMiddlemen versus market makers :$ba theory of competitive exchange$cJohn Rust, George Hall
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a45 s.
*4901 $aWorking paper series / National Bureau of Economic Research$v8883
*7001 $aHall, George$0(NO-TrBIB)50252$_32970700
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