Endogeneity in pharmaceutical knowledge generation : an instrument-free copula approach for Poisson frontier models
Rouven E. Haschka, Helmut Herwartz
| Year of publication: |
2022
|
|---|---|
| Authors: | Haschka, Rouven E. ; Herwartz, Helmut |
| Subject: | Pharmaindustrie | Pharmaceutical industry | Arzneimittel | Pharmaceuticals | Forschungskosten | Research expenditure | Patent | Europa | Europe |
freely available
| Type of publication: | Article |
|---|---|
| Type of publication (narrower categories): | Aufsatz in Zeitschrift ; Article in journal |
| Language: | English |
| Other identifiers: | 10.1111/jems.12491 [DOI] |
| Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10013463324