The relationship between the profit level and knowledge output of Chinese pharmaceutical manufacturing industry is empirically analyzed, aiming to provide reference for them to improve the profit level and knowledge output.
The relevant data of Chinese pharmaceutical manufacturing industry from 1995 to 2018 were selected, the total profit to represent the profit level and the number of valid invention patents to represent the knowledge output were used. The co-integration test was established using VAR model. Granger causality test, impulse response analysis and variance decomposition were used to explore the relationship between the two.
The profit level of Chinese pharmaceutical manufacturing industry has a long-term and significantly positive effect on knowledge output. The total profit increased by 1%, and the number of valid invention patents increased by 1.480 2%. This positive promotion effect has a certain lag, which is 2 years. Knowledge output also has a long-term significant positive promotion effect on profit level. The number of valid invention patents increased by 1%, and the total profit increased by 0.675 6%, but this promotion effect was not obvious.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |