The Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of Sci-Tech Parks Under the Background of Urbanization
Abstract
1. Introduction
- The development of STPs has evolved from a focus on single industrial functions to the mix of comprehensive urban functions. While “industry”, “city”, and “innovation” are recognized as the three key elements driving the innovative development of STPs, most of the existing research emphasizes the dual-element mixing of industry and city. Relatively little attention has been given to the mixing of “industry–city–innovation” functions and its influence on the innovative development of STPs.
- Previous studies generally support the concept of functional mixing. However, more quantitative research is needed on critical aspects such as the mixing types, quantities, and degrees.
- The factors influencing the innovative development of STPs are predominantly analyzed from the perspectives of policy management, the market economy, and industry types. However, more research needs to focus on spatial planning, particularly the mixing of external spatial functions surrounding the STPs.
2. Study Area, Data, and Methods
2.1. Study Area
2.2. Data Source
2.2.1. “Industry–City–Innovation” POI Mixing Data
Category | POI Type | Explanation |
---|---|---|
“Industry” function | headquarters park | Headquarters buildings, headquarters office parks, visitor centers, etc. |
science incubator | Industrial parks, incubators, innovation parks, innovation and entrepreneurship bases, etc. | |
town of special character | Various types of science and innovation industry-led special towns, etc. | |
business office | Office buildings, offices, etc. | |
R&D Intelligence Park | Pilot plant, test base, etc. | |
traditional industrial parks | Traditional industrial parks, warehouses, transport facilities, etc. | |
“City” function | living area | Residential neighborhoods, villas, peasant houses, etc. |
commercial node | Shopping centers, supermarkets, retail outlets, etc. | |
Greensboro Plaza | Parks, squares, places of interest, zoological and botanical gardens, etc. | |
educational facility | Kindergartens, primary schools, secondary schools, etc. | |
medical facility | Hospitals, clinics, emergency centers, pharmacies, etc. | |
transport facilities | Metro stations, bus stops, shared bike parking spots, etc. | |
administrative body | Institutions, government agencies, offices, etc. | |
“Innovation” function | colleges and universities | Universities, colleges, private colleges, etc. |
labs | Various laboratories at the national, provincial, ministerial, and local levels | |
research institute | Research institutes, institutes, research centers, etc. | |
R&D center | R&D bases, R&D and pilot bases, technology development centers, etc. |
2.2.2. Data on Innovative Development of STPs
Category | Dependent Variables | Indicator | Explanation |
---|---|---|---|
Enterprise scale | Y1 | Number of employees | Total number of employees in the science and technology enterprises |
Financial performance | Y2 | Registered capital | Total amount of capital contribution actually paid by the shareholders of the science and technology enterprises |
Y3 | Total sales revenue | Total revenue from all goods or services sold by the science and technology enterprises | |
Y4 | Total tax payment | Total amount of taxes actually paid by the science and technology enterprises | |
Innovation capacity | Y5 | Number of intellectual properties | Total number of intellectual innovations of the enterprises, such as software copyrights, copyrights of works, patents, etc., as well as logos, names, etc., used in commerce |
Y6 | Number of patents | Number of patents in science and technology start-ups | |
Y7 | Total innovation content | The total number of invention patents, invention patent authorizations, utility model patents, software copyrights, and design patents |
2.3. Research Method
2.3.1. Kernel Density Estimation
2.3.2. Shannon Entropy Index
2.3.3. Quadratic Curve Regression
- Step 1: Using SPSS software (IBM SPSS Statistics 27), quadratic curve regression was performed on the independent variable X, representing the functional POI mixing degree, and the dependent variable Y, representing the indicators measuring the innovation and development of STPs. The resulting quadratic function formula is shown in Equation (2) as follows:
- Step 2: The vertex coordinates can be determined using the results of the quadratic regression formula and the vertex coordinate formula for a quadratic function. Specifically, the goal is to calculate the value of the independent variable X at which the dependent variable Y reaches its maximum value. This X value represents the optimal functional mixing degree that is most conducive to enhancing the innovative development indicators of the STPs. Calculate the vertex coordinates of the seven quadratic functions individually to determine the value of X, at which the innovative development indicator Y of science and technology enterprises reaches its extreme value. The formula for calculating the vertex coordinates is provided below, as shown in Equation (3):
2.3.4. Set Intersection
2.3.5. Methods for Selecting the Research Scope of STP Set Intersection
3. Results
3.1. Analysis of the Mixing of “Industry–City–Innovation” Functions
3.1.1. Spatial Distribution Characteristics of “Industry–City–Innovation” Functional POIs
3.1.2. Measurement of “Industry–City–Innovation” Functional Mixing Degree
3.2. Analysis of Innovative Development in STPs
3.2.1. Spatial Types and Distribution of STPs
3.2.2. Analysis of Innovative Development Indicators in STPs
3.3. Analysis of the Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of STPs
3.3.1. Analysis of Quadratic Curve Regression Results
3.3.2. Quadratic Function Vertex Coordinate Solution
3.3.3. Identification of the Optimal Range for “Industry–City–Innovation” Functional POI Mixing Degree
4. Discussion
- The planning and design of new city parks should particularly focus on the rational distribution and organic integration of the three core elements of “industry”, “city”, and “innovation”. Through scientifically sound spatial design, carefully plan functions for production, residential areas, research, and related services, strengthen the collaborative relationships between different functional zones, and create a diversified, multifunctional urban space. Such designs can not only effectively integrate multiple functions, such as production, living, commerce, and leisure, but also enhance the competitiveness of sci-tech parks in attracting high-end industries, high-tech enterprises, and top-tier talent, thereby laying a solid spatial foundation for the park’s sustainable innovation development.
- In the spatial planning and design of STPs, the “industry–city–innovation” functions of surrounding areas should be reasonably configured, with the functional mixing degree controlled within the optimal range of 0.14 to 0.16 so to maximize the STP’s innovation vitality. If the functional mixing degree of the surrounding areas is too low, it will result in insufficient urban service facilities and innovation resource allocation, potentially leading to issues such as industrial–city separation, delayed industrial transformation, and difficulties in the commercialization of technological achievements. Conversely, if the functional mixing degree is too high, it may lead to an imperfect industrial chain, weaken the synergistic effects of industries, and hinder the overall development of the park. Therefore, the refined control of the functional mixing degree is key in STP planning and design, effectively preventing excessive resource dispersion and insufficient innovation support, and optimizing the spatial layout and developmental efficiency of the STPs.
- The design of urban spatial layout should focus on the fine integration of the three elements of “industry”, “city”, and “innovation” at the mesoscopic scale. For the development of STPs, mid-scale design can better balance industrial functions with urban service functions, promoting the efficient flow of innovation resources. At the macroscopic scale, excessive functional mixing may lead to the fragmentation of “industry–city–innovation” functions, thereby reducing the urban operational efficiency. Meanwhile, at the microscopic scale, the excessive clustering of functions may affect the industrial agglomeration effect, thus impacting the production efficiency, urban environmental quality, and innovation collaboration. Therefore, a rational mid-scale spatial design not only maintains the integrity of the industrial ecosystem but also strengthens the connection between the STP and surrounding industrial chains, urban support services, and innovation resources, further promoting the STP’s sustainable innovation development. This design approach emphasizes detailed spatial planning to coordinate the roles and layouts of different functional areas, ensuring the STP’s high efficiency and sustainability.
5. Conclusions
- The mix of “industry–city–innovation” functions promotes innovative development in STPs.
- 2.
- A higher “industry–city–innovation” functional mixing degree is not always better; the range of 0.14 to 0.16 is more beneficial for innovative development in STPs.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Dependent Variables | Indicator | Relationship | p-Values |
---|---|---|---|
Y1 | Number of employees | Linear/Logarithmic | p = 0.277/p = 0.820 |
Y2 | Registered capital | Linear/Logarithmic | p = 0.333/p = 0.746 |
Y3 | Total sales revenue | Linear | p = 0.417 |
Y4 | Total tax payment | Linear | p = 0.341 |
Y5 | Number of intellectual properties | Linear | p = 0.169 |
Y6 | Number of patents | Linear | p = 0.118 |
Y7 | Total innovation content | Linear | p = 0.146 |
Indicator | Coefficient | Unstandardized Coefficients | Standardized Coefficients | t | p | |
---|---|---|---|---|---|---|
B | Standard Error | Beta | ||||
Y1 Number of employees | (Constant) | 788.162 | 635.411 | 1.240 | 0.217 | |
a2 | −92,999.278 | 24,921.676 | −1.251 | −3.732 | 0.000 | |
b | 29,712.240 | 8694.800 | 1.145 | 3.417 | 0.001 | |
Formula | Y = −92,999x2 + 29,712x + 788 | |||||
Y2 Registered capital | (Constant) | 30,021.143 | 80,805.131 | 0.372 | 0.711 | |
a2 | −8,862,449.393 | 3,169,288.178 | −0.958 | −2.796 | 0.006 | |
b | 2,774,933.625 | 1,105,717.221 | 0.860 | 2.510 | 0.013 | |
Formula | Y = −8,862,449x2 + 2,774,934x + 30,021 | |||||
Y3 Total sales revenue | (Constant) | 1298.666 | 5198.580 | 0.250 | 0.803 | |
a2 | −488,652.055 | 203,895.451 | −0.829 | −2.397 | 0.018 | |
b | 153,394.424 | 71,136.072 | 0.746 | 2.156 | 0.033 | |
Formula | Y = −488,652x2 + 153,394x + 1299 | |||||
Y4 Total tax payment | (Constant) | 34.003 | 104.434 | 0.326 | 0.745 | |
a2 | −13,301.390 | 4096.054 | −1.102 | −3.247 | 0.001 | |
b | 4212.939 | 1429.052 | 1.000 | 2.948 | 0.004 | |
Formula | Y = −92,999x2 + 29,712x + 788 | |||||
Y5 Number of intellectual properties | (Constant) | 253.555 | 214.294 | 1.183 | 0.239 | |
a2 | −27,387.039 | 8404.915 | −1.102 | −3.258 | 0.001 | |
b | 8382.515 | 2932.349 | 0.967 | 2.859 | 0.005 | |
Formula | Y = −27,387x2 + 8383x + 254 | |||||
Y6 Number of patents | (Constant) | 64.228 | 51.766 | 1.241 | 0.217 | |
a2 | −5512.784 | 2030.335 | −0.927 | −2.715 | 0.008 | |
b | 1602.020 | 708.353 | 0.772 | 2.262 | 0.025 | |
Formula | Y = −5513x2 + 1602x + 64 | |||||
Y7 Total innovation content | (Constant) | 22.583 | 20.121 | 1.122 | 0.264 | |
a2 | −1818.9600 | 789.192 | −0.794 | −2.305 | 0.023 | |
b | 22.904 | 275.337 | 0.654 | 1.899 | 0.060 | |
Formula | Y = −1819x2 + 523x + 23 |
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Yang, Y.; Liu, Y.; Chen, Q.; Du, S. The Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of Sci-Tech Parks Under the Background of Urbanization. Sustainability 2025, 17, 3715. https://doi.org/10.3390/su17083715
Yang Y, Liu Y, Chen Q, Du S. The Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of Sci-Tech Parks Under the Background of Urbanization. Sustainability. 2025; 17(8):3715. https://doi.org/10.3390/su17083715
Chicago/Turabian StyleYang, Yue, Yidi Liu, Qiujie Chen, and Shaoshan Du. 2025. "The Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of Sci-Tech Parks Under the Background of Urbanization" Sustainability 17, no. 8: 3715. https://doi.org/10.3390/su17083715
APA StyleYang, Y., Liu, Y., Chen, Q., & Du, S. (2025). The Influence of “Industry–City–Innovation” Functional Mixing on the Innovative Development of Sci-Tech Parks Under the Background of Urbanization. Sustainability, 17(8), 3715. https://doi.org/10.3390/su17083715