LEADER 01010nam--2200349---450- 001 990002288890203316 005 20090310115318.0 035 $a000228889 035 $aUSA01000228889 035 $a(ALEPH)000228889USA01 035 $a000228889 100 $a20041221d1972----km-y0itay0103----ba 101 0 $aeng 102 $aUS 105 $a||||||||001yy 200 1 $aOptimum social welfare and productivity$ea comparative view$fJan Tinbergen...[ et al.] 210 $aNew York$cUniversity Press$d1972 215 $a176 p.$d24 cm 410 0$12001 454 1$12001 461 1$1001-------$12001 676 $a330.155 702 1$aTINBERGEN,$bJan 801 0$aIT$bsalbc$gISBD 912 $a990002288890203316 951 $a330.155 OPT 1 (IEP VIII 463)$b28392 E.C.$cIEP VIII$d00202274 959 $aBK 969 $aECO 979 $aSIAV3$b10$c20041221$lUSA01$h1044 979 $aRSIAV4$b90$c20090310$lUSA01$h1153 996 $aOptimum social welfare and productivity$9515886 997 $aUNISA