LEADER 00875nam0-22003011i-450- 001 990003093090403321 035 $a000309309 035 $aFED01000309309 035 $a(Aleph)000309309FED01 035 $a000309309 100 $a20000920d--------km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $aHow Effective Are Fiscal Incentives for R&D?$eA Review of the Evidence$fBronwyn H. Hall, John van Reenen 225 1 $aWorking paper series$fNBER$v7098 610 0 $aSistemi fiscali e politica fiscale 676 $aG/1.4 676 $aN/2.321 700 1$aHall,$bBronwyn H.$0122576 701 1$aReenen,$bJohn Van$0375425 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003093090403321 952 $aPaper$fSES 959 $aSES 996 $aHow Effective Are Fiscal Incentives for R&D$9459236 997 $aUNINA DB $aING01