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The evolution of a collaboration network and its impact on innovation performance under the background of government-funded support: an empirical study in the Chinese wind power sector

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Abstract

To accelerate the transformation and application of basic research results, the Chinese government has repeatedly mentioned in a government work report that it is necessary to support research and innovation collaborations between knowledge research institutions and enterprises. However, few studies have focused on the evolution of collaborations between these organizations and the impact of collaborations on innovation performance (IP) in the field of renewable energy under the background of government-funded support (GFS). Based on scientific publications, we construct a GFS collaboration network in the wind power field to investigate the evolution of network structure characteristics, attribute proximity variables, and applied research collaboration (ARC), and we study the impact of network evolution on the IP of actors. The results show that the focal actor of the collaboration network prefers to engage in ARC with partners who are familiar and have the same knowledge base in different provinces. This collaboration tendency will reduce geographical proximity and increase the direct ties, indirect ties, technological proximity, and ARC of the ego network. Among them, direct ties have an inverted U-shaped effect on IP, geographical proximity has a significantly negative impact on IP, and the remaining variables have positive impacts on IP. Taken together, when the direct ties is within a certain range, these collaboration tendencies in a GFS collaboration network positively affect the IP of research institutions and enterprises.

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Notes

  1. Source: http://output.nsfc.gov.cn/

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Funding

This research was funded by the National Natural Science Foundation of China (71,972,064, 71,573,069) and the Project of Key Research Institute of Humanities and Social Science in University of Anhui Province.

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Authors and Affiliations

Authors

Contributions

Conceptualization, Jianling Jiao and Yuwen Xu; methodology, Jianling Jiao and Yuwen Xu; software, Yuwen Xu; validation, Jianling Jiao, Jingjing Li, and Ranran Yang; formal analysis, Yuwen Xu; investigation, Yuwen Xu; resources, X.X.; data curation, Yuwen Xu; writing—original draft preparation, Yuwen Xu; writing—review and editing, Jianling Jiao, Jingjing Li, and Ranran Yang; visualization, Yuwen Xu; supervision, Jianling Jiao; project administration, Jianling Jiao and Jingjing Li; funding acquisition, Jianling Jiao. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Jingjing Li.

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The authors declare that they have no conflict of interest.

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Responsible Editor: Philippe Garrigues

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Appendices

Appendix A

The search formula for wind power scientific publications is: TS=(“wind power” OR “power of wind” OR” power from wind” OR “wind turbine*” OR” wind energy” OR” energy of wind” OR” energy from wind” OR “wind-energy” OR” wind rotor*” OR” wind generat*” OR” wind farm*” OR windmill OR” wind axis” OR” wind blade*” OR “wind force” OR “wind drive*” OR windpark or aerogenerator* OR “Power-Wind” OR wind-power OR “wind electricity” OR “wind-electricity” OR “wind-driven” OR “wind-turbine*” OR “wind-stress” OR “wind park” OR “wind sensor” OR “electric wind” OR “fed induction generator” OR “DFIG” OR “FTPR”) AND CU=(CHINA)

Appendix B

The search formula for wind power patents is: Application Date=(20020101:20161231)AND (IPC Classification Number =(F03D H02J1/12 H02J3/38 H02J3/18 H02P9/04 H02K7/18 H02K1/27 F03B13/00 H02P9/00 H02P9/00 F01D5/14 F01D15/10 F03B17/06 E02B9/00 E04H5/02 E04H12/00 B63H9/00 B63H13/00) OR Invention Title=(wind power, wind force, wind-driven generator, wind wheel, wind field, wind blade, wind speed, wind resources) OR Abstract=(wind power, wind force, wind-driven generator, wind wheel, wind field, wind blade, wind speed, wind resources)) AND Invention type=(“I” OR “U” OR “D”)) AND Country Code=(HK OR MO OR TW OR CN)) AND Applicant/Assignee = ()

Appendix C

Table 3 Descriptive statistics and correlation matrix

Appendix D

We conduct the U test as proposed by Lind and Mehlum (2010) to test the significance of the existence of this inverted U-shape relationship between direct ties and innovation performance. The results are exhibited in Table 4. The results of model 2 revealed that direct ties has an inverted U-shape effect on innovation performance as the results sufficiently met the three conditions of an inverted U-shape effect: (1) the coefficient of direct ties squared is negative and significant (p = 0.005), (2) the slope is steep and significant at both the lower end (slope = 0.032, 0.008) and the higher end (slope = −0.053, p = 0.011) of the data range, and (3) the turning point (direct ties = 17.97) is well located within the data range. The overall test of the presence of an inverted U-shape effect is also significant (p = 0.011). Hence, we find support for Hypothesis 1. This relationship is depicted in Fig. 4.

Table 4 Results of the appropriate U test
Fig. 4
figure 4

Relationship between direct ties and innovation performance

Appendix E

This paper tests the robustness of the results by replacing the annual number of issued patents with the number of patent applications of wind power technology.

The regression results in Table 5 are similar to the results in Table 2. The regression results show that direct ties have an inverted U-shaped effect on the innovation performance of the focal actor, indirect ties contributes to organizational innovation performance. GP can negatively regulate the relationship between direct ties and innovation performance, TP can negatively regulate the relationship between indirect ties and innovation performance, and ARC can positively regulate the relationship between direct ties and innovation performance and the relationship between nonredundant ties and innovation performance. This finding shows that our results are robust to some extent.

Table 5 Fixed-effects negative binomial regression for innovation performance (patent applications)

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Jiao, J., Xu, Y., Li, J. et al. The evolution of a collaboration network and its impact on innovation performance under the background of government-funded support: an empirical study in the Chinese wind power sector. Environ Sci Pollut Res 28, 915–935 (2021). https://doi.org/10.1007/s11356-020-10528-2

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