00875nam0-22003011i-450-990003093090403321000309309FED01000309309(Aleph)000309309FED0100030930920000920d--------km-y0itay50------baitaITHow Effective Are Fiscal Incentives for R&D?A Review of the EvidenceBronwyn H. Hall, John van ReenenWorking paper seriesNBER7098Sistemi fiscali e politica fiscaleG/1.4N/2.321Hall,Bronwyn H.122576Reenen,John Van375425ITUNINARICAUNIMARCBK990003093090403321PaperSESSESHow Effective Are Fiscal Incentives for R&D459236UNINAING01