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- [5] Exporters and Importers of Services: Firm-Level Evidence on Italy [J]. WORLD ECONOMY, 2017, 40 (10): : 2078 - 2096
- [8] Pharmaceutical Product Liability, Litigation Regimes, and the Propensity to Patent: An Empirical Firm-Level Investigation [J]. SAGE OPEN, 2021, 11 (02):