Research Policy · 2013 · 257 citations · 34 references
ManagementBusiness EconomicsInnovation ManagementAuction TheoryIntellectual PropertyPatent LawIntellectual Property ProtectionIntellectual Property StrategyPatent AnalysisPatent StrategyPatent ValuationTechnology ValuationEmpirical Auction EvidenceMarket-based Patent ValuationPatent Auction ValuationPatent Commercialization ValuePatent IndicatorsPatent PricingPatent Valuation MetricsPatent Valuation Models
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Sample Selection Bias as a Specification Error
James J. Heckman · Econometrica · 1979 · 28.9K citations
Citation Frequency and the Value of Patented Inventions
Dietmar Harhoff, Francis Narin, F. M. Scherer et al. · The Review of Economics and Statistics · 1999 · 1.5K citations