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Recursos bibliográficos en papel y digitales -
- libros, artículos de revistas,
ponencias de eventos, etc. -
» Resultado: 2 registros
| Registro 1 de 2 | |
| Autor: | Stephan, Paula-E - Levin, Sharon-G - |
| Título: | Property Rights and Entrepreneurship in Science |
| Fuente: | Small Business Economics. v.8, n.3. Kluwer Academic Publishers |
| Páginas: | pp. 177-88 |
| Año: | June 1996 |
| Solicitar por: | HEMEROTECA S + datos de Fuente |
| Registro 2 de 2 | |
| Autor: | Levin, Sharon-G - Stephan, Paula-E - |
| Título: | Research Productivity over the Life Cycle: Evidence for Academic Scientists |
| Fuente: | American Economic Review. v.81, n.1. American Economic Association |
| Páginas: | pp. 114-32 |
| Año: | Mar. 1991 |
| Resumen: | The relationship between age and the publishing productivity of Ph.D. scientists is analyzed using data from the Survey of Doctorate Recipients (National Research Council) and the Science Citation Index. The longitudinal nature of the data allows for the identification of pure aging effects. In five of the six areas studied, life-cycle aging effects are present. Only in particle physics, where scientists often speak of being on a "religious quest," is the indication that scientific productivity is not investment-motivated. Vintage effects are also considered. The expectation that the latest educated are the most productive is not generally supported by the data. |
| Solicitar por: | HEMEROTECA A + datos de Fuente |
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