00915nam0-22002891i-450-990003151900403321000315190FED01000315190(Aleph)000315190FED0100031519020000920d--------km-y0itay50------baitaITPartnership Among FirmsEstimating the Probability of Contact from the Poisson Model Using Repeated ObservationsRosa Bernardini Papalia, Silvia BertarelliCollana del Dipartimento di scienze economiche, Università di Bologna346ImpreseAccordi e alleanzeG/3.30Bernardini Papalia,RosaBertarelli,SilviaITUNINARICAUNIMARCBK990003151900403321PaperSESSESPartnership Among Firms458281UNINAING01