LEADER 00821nam0-22002771i-450- 001 990003230490403321 035 $a000323049 035 $aFED01000323049 035 $a(Aleph)000323049FED01 035 $a000323049 100 $a20000920d--------km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $a<>Usual Excess-Burden Approximation Usually Doesn't Come Close$fLawrence H. Goulder, Roberton C. Williams III 225 1 $aWorking paper series$fNBER$v7034 676 $aN/2.3 702 1$aGoulder,$bLawrence H. 702 1$aWilliams,$bRoberton C. 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003230490403321 952 $aPaper$fSES 959 $aSES 996 $aUsual Excess-Burden Approximation Usually Doesn't Come Close$9449549 997 $aUNINA DB $aING01