1. Introduction
With the intensification of global warming, frequent extreme weather events, and the growing prominence of environmental issues such as ecosystem degradation, green governance has become a global consensus. The United Nations explicitly defined the Sustainable Development Goals (SDGs) through the 2030 Agenda for Sustainable Development, advocating that countries promote green transformation with a multilateral cooperation stance [
1]. As the world’s largest developing country and a responsible major power, the Chinese government actively responds to international calls, integrates green governance and green development into the national strategy for high-quality development, and advances green economic transformation via policy guidance, technological innovation, and market mechanism reforms [
2]. Despite remarkable progress in global sustainable development in recent years, challenges remain—including imperfect coordination mechanisms, insufficient technology transfer efficiency, and unbalanced regional development—urging the exploration of systematic solutions [
3]. As a core pillar of the national economy, the manufacturing industry is not only a critical carrier of technological innovation but also a major contributor to energy consumption and carbon emissions. Its green development is directly linked to the advancement of China’s “dual carbon” goals and the quality of participation in global environmental governance [
4].
For manufacturing enterprises, green development faces technical hurdles such as substantial capital requirements and long cycles for achievement transformation [
5], as well as management dilemmas including difficulties in managers’ ideological transition and misalignment between corporate strategies and green development. Derived from sustainable development theory, the green value co-creation theory breaks the traditional one-way value chain and emphasizes multi-stakeholder collaboration to synergize environmental, economic, and social values [
6]. By sharing resources and conducting collaborative innovation with stakeholders—including upstream and downstream enterprises, industry peers, and research institutions—manufacturing enterprises can collectively enhance green innovation capability, improve green technology transfer efficiency, and achieve multi-agent green value co-creation. Currently, academia recognizes green value co-creation as a key link for enterprises to integrate internal green resources and realize green innovation [
7], a core bridge to enhance performance [
8], and a critical pathway to meet green and sustainable development demands and build a dynamic value chain [
9].
Artificial Intelligence (AI) is a comprehensive digital technology relying on algorithm models, data resources, and computing power, which simulates human cognitive logic and decision-making processes, automates task execution, and optimizes the resolution of complex problems [
10]. As a core technological engine, AI reshapes social production methods, drives corporate innovation, and addresses environmental challenges [
11]. From a societal perspective, AI facilitates the green upgrading of urban governance [
12] and public services through technologies such as intelligent monitoring [
13] and resource scheduling optimization. For enterprises, AI eliminates the experience dependence of traditional production, enabling cost reduction and efficiency improvement in scenarios like predictive maintenance and process optimization [
14]. In green development, AI has become a key tool to achieve carbon emission reduction targets [
15]. According to calculations by the China Academy of Information and Communications Technology, full application of AI-enabled green manufacturing technologies in core industries can reduce cumulative carbon emissions by over 2 billion tons, demonstrating its significant environmental value potential. Essentially, AI empowers enterprises to establish stakeholder resource-sharing platforms, break traditional information barriers, and promote resource sharing, collaborative innovation, and value co-creation. Additionally, AI enables real time monitoring of internal operational data, collection of external environmental data, and integrated analysis providing technical support for corporate green value co-creation. However, existing research on AI’s impact on green development primarily focuses on the green economic effects of industrial intelligence in developing countries [
16], the mediating role of knowledge coupling in AI-driven corporate green technological innovation [
17], and AI’s influence on sustainable development performance [
18]. Scholarly exploration of AI’s role and underlying mechanisms in corporate green value co-creation remains relatively scarce.
This study makes the following marginal contributions: First, while existing research mostly adopts a theoretical perspective to analyze AI’s impact on green value co-creation, empirical evidence is limited. Using micro-level panel data of Chinese A-share listed manufacturing firms on the Shanghai and Shenzhen Stock Exchanges, this study conducts empirical validation to unveil the impact of AI development on manufacturing enterprises’ green value co-creation, filling the empirical gap in this field. Second, beyond exploring the direct relationship between AI and green value co-creation, this study introduces two mediating variables—technological spillover and total factor productivity (TFP)—to clarify the transmission mechanisms through which AI exerts its effects. Third, this study investigates the moderating roles of financing constraints and corporate influence, identifying the contextual conditions that amplify or weaken AI’s impact on green value co-creation. Fourth, integrating institutional contexts, this study performs heterogeneity analysis to explore inter-group differences in the aforementioned relationship, providing empirical support for different types of enterprises to formulate targeted and differentiated green development strategies.
3. Research Design
3.1. Dependent Variable
The dependent variable in this study is green value co-creation (GVC). The core characteristic of GVC lies in multi-agent collaborative behaviors based on green goals within supply chains or industrial networks, and its essence is a process of resource integration and value coordination across enterprise boundaries, rather than the independent green practices of a single enterprise [
27]. Existing studies show that academic measurements of value co-creation mostly focus on the characterization of cooperative relationships from a single dimension, such as using the concentration ratio of the top five customers to reflect the closeness of the connection between enterprises and their core partners [
28]. In the field of green development, the number of green patent applications, as the core indicator for measuring enterprises’ green technological innovation capabilities, has been widely used in studies related to enterprise green transformation and environmental performance [
29], and its advantage lies in its ability to objectively quantify the actual inputs and outputs of enterprises in green technology R&D and application [
30].However, the number of green patent applications by a single enterprise can only reflect the green development level at the individual enterprise level and cannot embody multi-agent collaborative interaction, which is the key feature distinguishing the independent development of enterprises from value co-creation. Based on this, considering the dual attributes of GVC—multi-agent collaboration and green goal orientation—this study refers to the measurement logic of inter-enterprise collaborative innovation proposed by scholars such as Di et al. (2024) and adopts the number of joint applications of green patents as the proxy variable for GVC [
31]. The rationality of this indicator is mainly reflected in two aspects: on the one hand, the number of joint applications of green patents directly reflects the resource sharing, technical collaboration, and goal coordination among at least two enterprises in the process of green technology R&D, which is consistent with the essence of multi-agent collaboration in GVC; on the other hand, the green attribute of green patents compared with other patents ensures that such collaborative behaviors are carried out around environment-friendly goals, accurately corresponding to the core demand of green orientation in GVC.
3.2. Core Explanatory Variable
The core explanatory variable in this study is AI. Currently, the academic community has formed a multi-dimensional measurement system for AI: Some scholars, from the perspective of technological innovation, use the number of enterprise AI-related patent applications to measure the intensity of technological input [
32,
33]; other studies focus on technology application scenarios and use the density of enterprise industrial robot applications to reflect the implementation level of AI in production links [
34]; there are also literatures that, from the perspective of external environmental spillover, depict the impact of the regional AI ecosystem on enterprises through the number of AI-related enterprises in the city where the enterprise is located. However, the aforementioned measurement methods are limited to a single dimension and struggle to accurately capture enterprises’ actual perception and application tendency of AI technology in operational decisions, while the application of AI at the enterprise micro-level is the focus of this study. Based on this, referring to the extraction logic of technical characteristics from enterprise textual information proposed by Yang, Y., An, R. & Song, J. (2025) and Yao, J.Q. et al. (2024) [
35,
36], this study adopts a hybrid method combining machine learning and text analysis to construct an enterprise-level AI measurement indicator. The specific steps are as follows:
1. Construction of the seed lexicon: Based on authoritative studies in the field of AI, multi-source authoritative lexical sources are integrated to form an initial seed lexicon. At the academic level, core terms defined in AI research by Yang et al. (2025) are referenced [
37]; at the industrial practice level, key words for AI technology applications specified in the AI thesaurus provided by the World Intellectual Property Organization are adopted. Finally, 69 representative core seed words of AI are screened out.
2. Text Corpus and Model Training: Annual reports of listed companies during the research sample period are used as the text corpus. After word segmentation and stop-word removal processing via Python’s Jieba tool, the preprocessed text data is input into the Skip-gram architecture of the Word2Vec model for training. By maximizing the co-occurrence probability of target words and context words, this model can effectively capture the semantic associations of words in specific contexts [
38], providing a reliable vector representation foundation for subsequent semantic expansion.
3. Formation of the AI Dictionary: Based on the trained Word2Vec model, the cosine similarity between each initial seed word and other words in the corpus is calculated, and the top 10 extended words with the highest similarity are selected for each seed word. Subsequently, duplicate words and semantically deviant words are eliminated through manual review, ultimately forming a dedicated AI dictionary containing 187 words for this study.
4. Indicator Quantification: Based on the constructed AI dictionary, the word frequency statistics method is adopted to calculate the occurrence frequency of AI-related words in the annual reports of each listed company, which is used as the proxy variable for measuring enterprise AI. The advantages of this measurement method are as follows: on the one hand, as the core text disclosed by enterprises to the outside world, annual reports can truly reflect enterprises’ attention to AI technology and actual application plans; on the other hand, the dictionary construction process through semantic expansion and manual screening effectively avoids the one-sidedness of single keyword retrieval, improving the coverage and matching degree of the indicator to the connotation of AI technology.
3.3. Mediating Variables
The mediating variables in this study are technology spillover and total factor productivity. Referring to the studies of Jaffe, A.B. & de Rassenfosse, G. (2017) and Bloom, N., Schankerman, M. & Van Reenen, J. (2013), TS is measured by the number of citations of enterprises’ patent technologies, processed by adding 1 and taking the logarithm [
39,
40]. TFP_OP is calculated using the Olley-Pakes method with reference to the study of Coomes et al. (2019) [
41].
3.4. Moderating Variables
The moderating variables in this study are financing constraints and corporate influence. Referring to the study of Xu et al. (2020), KZ is measured using the enterprise financing constraint KZ index [
42]. Corporate influence is measured by the ratio of the enterprise’s annual main business income to the total main business income of its industry, processed by adding 1 and taking the logarithm.
3.5. Control Variables
Referring to the study of Jiang et al. (2025) [
43], this study selects the following control variables: Total Assets (SIZE), Return on Total Assets (ROA), Proportion of Independent Directors (INDEP), Ownership Concentration (TOP), Management Shareholding Ratio (MEOR), Tobin’s Q (TOBINQ), and Enterprise Scale (STAFF). The definition of each variable is shown in
Table 1.
3.6. Model Construction
To examine the impact of artificial intelligence on enterprises’ green value co-creation and its influencing mechanism, this study constructs the following regression models. Among them, Model 1 is used to test Hypothesis 1, Models 2 and 3 are used to test the mediation effect hypotheses, and Models 4 and 5 are used to test the moderation effect hypotheses.
Enterprises are denoted by i and time by t. GVCi,t represents enterprises’ green value co-creation, AIi,t denotes the development level of enterprises’ artificial intelligence, Mi,t stands for mediating variables, and Xi,t represents control variables. Yeart denotes year fixed effects, δi indicates individual fixed effects and α denotes the error term.
3.7. Data Source
This study takes listed manufacturing companies in China’s Shanghai and Shenzhen A-share markets from 2015 to 2024 as the research object, with data sourced from CSMAR, CNRDS, annual reports of listed companies, etc. The data are processed as follows: (1) Exclude ST, *ST, and PT companies; (2) Exclude financial industry companies; (3) Eliminate samples with severe data missing; (4) Perform winsorization at the 1% and 99% levels. Finally, a total of 21,285 samples are obtained.
5. Discussion and Research Prospects
5.1. Discussion
Compared with previous studies on AI and GVC that focus on e-commerce platform scenarios and emphasize subjective cognitive mechanisms [
47], this study shifts its research perspective to the manufacturing sector an area with broader coverage and a core carrier of resource consumption and carbon emissions. It systematically reveals the objective transmission mechanism of AI empowering GVC, accurately addresses the practical pain points faced by manufacturing enterprises in the integration of AI application and GVC, and selects financing constraints and firm influence as moderating variables for empirical analysis in combination with the actual logic of enterprise development.
The research findings are as follows: First, AI development exerts a significantly positive promoting effect on GVC in manufacturing enterprises, and heterogeneity tests further reveal that this promoting effect is more prominent in voluntary regulation contexts, state-owned enterprises, and high-pollution industries. Accordingly, manufacturing enterprises should incorporate AI technology layout into the top-level design of their green development strategies, promoting the in-depth integration of AI with core business links such as production and manufacturing, supply chain collaboration, and green R&D. Meanwhile, enterprises under voluntary regulation can rely on AI technology to enhance the initiative of green innovation; state-owned enterprises need to give play to their advantages in resource integration and policy response to construct a mature demonstration model of AI and GVC; high-pollution industries should focus on the precise application of AI in emission reduction and carbon reduction, realizing the dual goals of environmental compliance and GVC through technological empowerment. Second, mechanism analysis confirms that AI can significantly enhance enterprises’ technological spillover capacity and TFP, thereby improving the GVC level of manufacturing enterprises, that is, technological spillover capacity and TFP play a partial mediating role in the relationship between AI and GVC. Manufacturing enterprises should, on the one hand, optimize production processes through AI technology to reduce the resource and environmental costs per unit of output, consolidating the supporting role of TFP in GVC; on the other hand, establish an industrial chain-oriented AI technology sharing platform to promote the cross-enterprise and cross-departmental diffusion of core resources such as green process parameters and intelligent emission reduction schemes, amplifying the overall green collaborative effect of the industrial chain through technological spillover. Third, the results of moderating effect analysis show that financing constraints play a negative moderating role in the path of AI promoting GVC in manufacturing enterprises, while firm influence plays a positive moderating role, the greater the firm influence, the stronger the promoting effect of AI on GVC. Enterprises need to accurately align AI-driven green transformation projects with green financial instruments to enhance their competitiveness in financing channels such as green credit and green bonds. For enterprises with high influence, they should rely on their advantages in brand, channels, and resources, take AI empowered GVC practices as benchmarks, and lead upstream and downstream small and medium sized enterprises to participate in GVC by issuing industrial green standards and leading industrial chain green collaboration projects, forming a development pattern of leading enterprises driving and cluster linkage.
5.2. Research Prospects
Although this study has empirically examined the impact of AI on green value co-creation in manufacturing enterprises, it still has several limitations in certain aspects, which can serve as avenues for future research.
First, regarding sample selection and data dimensions. This study focuses on listed manufacturing companies on China’s Shanghai and Shenzhen A-shares from 2015 to 2024. While it centers on the manufacturing sector—a core domain for green value co-creation—the sample is restricted to Chinese A-share listed enterprises, excluding non-listed companies and firms from other countries. This may limit the generalizability of the research findings. Meanwhile, the measurement of AI and green value co-creation in this study relies on corporate annual report texts and green patent data, lacking direct measurements of the depth of enterprises’ AI technology application and the actual level of green value co-creation, which may lead to certain variable measurement bias. Future research could expand the sample scope to include non-listed companies and cross-country enterprises, and further improve the measurement system for AI and green value co-creation, thereby enhancing the accuracy and generalizability of the research.
Second, regarding mechanism exploration. Although this study investigates the mediating effects of technology spillovers and TFP, it fails to disentangle the internal heterogeneity of the mediating variables. For instance, technology spillovers can be more precisely categorized into horizontal and vertical technology spillovers, which may exhibit differences in both the strength and pathways of their impacts on the relationship between AI and green value co-creation in manufacturing enterprises. This also constitutes a promising avenue for future research.
Author Contributions
For research articles with several authors, a short paragraph specifying their individual contributions must be provided. The following statements should be used “Conceptualization, X.L. and X.P.; methodology, X.P.; software, X.P.; validation, X.L.; formal analysis, X.P.; investigation, X.P.; resources, X.L.; data curation, X.P.; writing—original draft preparation, X.P.; writing—review and editing, X.L.; visualization, X.P.; supervision, X.L.; project administration, X.L.; funding acquisition, X.L. All authors have read and agreed to the published version of the manuscript.”
Table 1.
Variable Definitions.
Table 1.
Variable Definitions.
|
Variable Type |
Variable Symbol |
Variable Name |
Variable Description |
| Dependent Variable |
GVC |
Green Value Co-creation |
Ln(number of joint green patent applications + 1) |
| Explanatory Variable |
AI |
Artificial Intelligence |
Ln(total word frequency + 1) |
| Mediating Variables |
TS |
Technology Spillover |
Number of citations of enterprise patents |
| TFP_OP |
Total Factor Productivity |
Olley-Pakes (OP) method |
| Moderating Variables |
KZ |
Financing Constraints |
KZ index |
| CMI |
Corporate Influence |
Ln(Enterprise’s annual main business income / Total main business income of the industry in the same year) |
| Control Variables |
SIZE |
Total Assets |
Ln(total assets in the current year) |
| ROA |
Return on Total Assets |
Net profit / average balance of total assets |
| INDEP |
Proportion of Independent Directors |
Number of independent directors / total number of directors |
| TOP |
Ownership Concentration |
Shareholding quantity of the top 5 shareholders / total share capital |
| MEOR |
Management Shareholding Ratio |
Shareholding quantity of directors, supervisors and senior management / total share capital |
| TOBINQ |
Tobin’s Q |
(Circulating market value + non-circulating shares × net asset per share + book value of liabilities) / total assets |
| STAFF |
Enterprise Scale |
Total number of employees |
Table 2.
Descriptive Statistical Analysis.
Table 2.
Descriptive Statistical Analysis.
| Variable |
Obs |
Mean |
Std.Dev. |
Min |
Max |
| AI |
21285 |
4.999 |
.784 |
3.258 |
7.052 |
| GVC |
21285 |
.135 |
.463 |
0 |
2.708 |
| SIZE |
21285 |
22.117 |
1.157 |
20.04 |
25.726 |
| ROA |
21285 |
.045 |
.07 |
-.243 |
.235 |
| INDEP |
21285 |
.379 |
.054 |
.333 |
.571 |
| TOP |
21285 |
.533 |
.148 |
.203 |
.864 |
| TOBINQ |
21285 |
2.122 |
1.331 |
.865 |
8.632 |
| MEOR |
21285 |
.179 |
.21 |
0 |
.71 |
| STAFF |
21285 |
7.63 |
1.143 |
5.17 |
10.792 |
Table 3.
Baseline Regression Tests.
Table 3.
Baseline Regression Tests.
| |
(1) |
(2) |
(3) |
(4) |
| |
GVC |
GVC |
GVC |
GVC |
| AI |
0.039*** |
0.074*** |
0.055*** |
0.024*** |
| |
(4.802) |
(18.723) |
(7.704) |
(2.919) |
| SIZE |
|
0.109*** |
0.056*** |
0.027*** |
| |
|
(22.196) |
(5.935) |
(2.644) |
| ROA |
|
0.043 |
-0.026 |
0.015 |
| |
|
(0.935) |
(-0.605) |
(0.338) |
| INDEP |
|
0.150*** |
0.037 |
0.001 |
| |
|
(2.645) |
(0.504) |
(0.012) |
| TOP |
|
-0.024 |
0.043 |
0.146*** |
| |
|
(-1.124) |
(1.019) |
(3.249) |
| TOBINQ |
|
0.003 |
0.006** |
0.007*** |
| |
|
(1.087) |
(2.321) |
(2.651) |
| MEOR |
|
-0.046*** |
0.034 |
0.079** |
| |
|
(-2.804) |
(0.992) |
(2.303) |
| STAFF |
|
-0.008* |
-0.004 |
0.016 |
| |
|
(-1.677) |
(-0.400) |
(1.509) |
| _cons |
-0.058 |
-2.635*** |
-1.401*** |
-0.812*** |
| |
(-1.441) |
(-30.144) |
(-8.485) |
(-4.415) |
| ID |
YES |
NO |
YES |
YES |
| Year |
YES |
NO |
NO |
YES |
| N |
21285 |
21285 |
21285 |
21285 |
| R2
|
0.654 |
0.097 |
0.654 |
0.655 |
| F |
23.063 |
287.111 |
31.885 |
9.007 |
| ***p<0.01,**p<0.05,*p<0.10 |
Table 4.
Robustness Tests.
Table 4.
Robustness Tests.
| |
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
| |
GVC |
GVC |
F.GVC |
F2.GVC |
GVC |
GVC |
| DT |
0.039*** |
0.029*** |
|
|
|
|
| |
(5.386) |
(3.914) |
|
|
|
|
| AI |
|
|
0.044*** |
0.026** |
|
|
| |
|
|
(4.798) |
(2.431) |
|
|
| L.AI |
|
|
|
|
0.032*** |
|
| |
|
|
|
|
(3.429) |
|
| L2.AI |
|
|
|
|
|
0.026** |
| |
|
|
|
|
|
(2.482) |
| SIZE |
|
0.027*** |
|
0.021 |
0.037*** |
0.038*** |
| |
|
(2.699) |
|
(1.516) |
(2.986) |
(2.652) |
| ROA |
|
0.014 |
|
0.142** |
-0.029 |
-0.064 |
| |
|
(0.332) |
|
(2.536) |
(-0.582) |
(-1.168) |
| INDEP |
|
0.001 |
|
-0.023 |
-0.015 |
-0.015 |
| |
|
(0.015) |
|
(-0.245) |
(-0.180) |
(-0.160) |
| TOP |
|
0.147*** |
|
0.062 |
0.180*** |
0.194*** |
| |
|
(3.279) |
|
(1.007) |
(3.405) |
(3.171) |
| TOBINQ |
|
0.007*** |
|
0.010*** |
0.006* |
0.005 |
| |
|
(2.641) |
|
(3.219) |
(1.662) |
(1.175) |
| MEOR |
|
0.076** |
|
0.092* |
0.063 |
0.024 |
| |
|
(2.207) |
|
(1.885) |
(1.511) |
(0.476) |
| STAFF |
|
0.015 |
|
0.003 |
0.011 |
0.014 |
| |
|
(1.471) |
|
(0.191) |
(0.917) |
(0.956) |
| _cons |
-0.025 |
-0.814*** |
-0.072 |
-0.514** |
-1.026*** |
-1.034*** |
| |
(-0.836) |
(-4.429) |
(-1.591) |
(-2.072) |
(-4.608) |
(-3.913) |
| ID |
YES |
YES |
YES |
YES |
YES |
YES |
| Year |
YES |
YES |
YES |
YES |
YES |
YES |
| N |
21285 |
21285 |
17685 |
14562 |
17685 |
14562 |
| R2
|
0.655 |
0.655 |
0.682 |
0.712 |
0.683 |
0.712 |
| F |
29.004 |
9.860 |
23.020 |
5.046 |
8.060 |
5.459 |
| ***p<0.01,**p<0.05,*p<0.10 |
Table 5.
Mediating Mechanism Tests.
Table 5.
Mediating Mechanism Tests.
| |
(1) |
(2) |
(3) |
(4) |
| |
TS |
GVC |
TFP_OP |
GVC |
| AI |
2.513*** |
0.023*** |
0.152*** |
0.023*** |
| |
(3.888) |
(2.812) |
(19.977) |
(2.793) |
| TS |
|
0.001*** |
|
|
| |
|
(7.475) |
|
|
| TFP_OP |
|
|
|
0.037*** |
| |
|
|
|
(3.758) |
| SIZE |
|
0.024** |
|
0.008 |
| |
|
(2.375) |
|
(0.655) |
| ROA |
|
0.019 |
|
-0.053 |
| |
|
(0.438) |
|
(-1.120) |
| INDEP |
|
-0.003 |
|
0.000 |
| |
|
(-0.047) |
|
(0.002) |
| TOP |
|
0.155*** |
|
0.147*** |
| |
|
(3.458) |
|
(3.286) |
| TOBINQ |
|
0.006** |
|
0.007** |
| |
|
(2.251) |
|
(2.458) |
| MEOR |
|
0.076** |
|
0.078** |
| |
|
(2.215) |
|
(2.256) |
| STAFF |
|
0.015 |
|
0.023** |
| |
|
(1.429) |
|
(2.206) |
| _cons |
10.347*** |
-0.756*** |
6.005*** |
-0.678*** |
| |
(3.198) |
(-4.115) |
(158.091) |
(-3.619) |
| ID |
YES |
YES |
YES |
YES |
| Year |
YES |
YES |
YES |
YES |
| N |
21285 |
21285 |
21285 |
21285 |
| R2
|
0.900 |
0.656 |
0.887 |
0.656 |
| F |
15.118 |
14.240 |
399.088 |
9.581 |
| ***p<0.01,**p<0.05,*p<0.10 |
Table 6.
Moderating Effect Tests.
Table 6.
Moderating Effect Tests.
| |
(1) |
(2) |
(3) |
(4) |
| |
GVC |
GVC |
GVC |
GVC |
| AI |
0.039*** |
0.048*** |
0.030*** |
0.051*** |
| |
(4.806) |
(4.241) |
(3.670) |
(5.488) |
| kz |
0.005 |
0.238*** |
|
|
| |
(0.342) |
(3.244) |
|
|
| AI×kz |
|
-0.046*** |
|
|
| |
|
(-3.116) |
|
|
| CMI |
|
|
0.026*** |
-0.094*** |
| |
|
|
(5.346) |
(-5.482) |
| AI×CMI |
|
|
|
0.023*** |
| |
|
|
|
(6.964) |
| SIZE |
|
0.029*** |
|
0.015 |
| |
|
(2.811) |
|
(1.384) |
| ROA |
|
0.005 |
|
-0.022 |
| |
|
(0.114) |
|
(-0.498) |
| INDEP |
|
0.000 |
|
-0.006 |
| |
|
(0.006) |
|
(-0.086) |
| TOP |
|
0.135*** |
|
0.111** |
| |
|
(3.002) |
|
(2.469) |
| TOBINQ |
|
0.007*** |
|
0.006** |
| |
|
(2.733) |
|
(2.153) |
| MEOR |
|
0.073** |
|
0.056 |
| |
|
(2.122) |
|
(1.626) |
| STAFF |
|
0.016 |
|
0.012 |
| |
|
(1.511) |
|
(1.166) |
| _cons |
-0.060 |
-0.969*** |
0.021 |
-0.590*** |
| |
(-1.479) |
(-5.079) |
(0.491) |
(-2.811) |
| ID |
YES |
YES |
YES |
YES |
| Year |
YES |
YES |
YES |
YES |
| N |
21285 |
21285 |
21285 |
21285 |
| R2
|
0.654 |
0.656 |
0.655 |
0.656 |
| F |
11.589 |
8.275 |
25.840 |
12.907 |
| ***p<0.01,**p<0.05,*p<0.10 |
Table 7.
Heterogeneity Tests.
Table 7.
Heterogeneity Tests.
| |
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
| |
GVC |
GVC |
GVC |
GVC |
GVC |
GVC |
| AI |
0.031** |
0.008 |
0.076*** |
0.014 |
0.032** |
0.019** |
| |
(1.978) |
(0.727) |
(3.220) |
(1.638) |
(1.961) |
(1.978) |
| SIZE |
0.024 |
0.036*** |
0.014 |
0.030*** |
0.028 |
0.030** |
| |
(1.151) |
(2.852) |
(0.492) |
(2.798) |
(1.392) |
(2.476) |
| ROA |
0.043 |
-0.035 |
0.133 |
-0.027 |
-0.007 |
0.009 |
| |
(0.521) |
(-0.649) |
(1.029) |
(-0.605) |
(-0.081) |
(0.177) |
| INDEP |
-0.202 |
0.072 |
-0.126 |
0.096 |
-0.048 |
0.015 |
| |
(-1.537) |
(0.764) |
(-0.733) |
(1.179) |
(-0.328) |
(0.176) |
| TOP |
0.097 |
0.127** |
-0.177 |
0.148*** |
0.156* |
0.132** |
| |
(1.130) |
(2.228) |
(-1.466) |
(2.966) |
(1.929) |
(2.392) |
| TOBINQ |
0.002 |
0.009*** |
0.012 |
0.005* |
0.018*** |
0.004 |
| |
(0.467) |
(2.638) |
(1.590) |
(1.830) |
(3.039) |
(1.390) |
| MEOR |
0.004 |
0.105** |
0.154 |
0.020 |
0.081 |
0.075* |
| |
(0.068) |
(2.271) |
(0.504) |
(0.595) |
(1.104) |
(1.905) |
| STAFF |
-0.004 |
0.016 |
0.041 |
0.018* |
0.019 |
0.014 |
| |
(-0.191) |
(1.233) |
(1.379) |
(1.669) |
(0.911) |
(1.133) |
| _cons |
-0.515 |
-0.956*** |
-0.714 |
-0.884*** |
-0.898** |
-0.836*** |
| |
(-1.370) |
(-4.114) |
(-1.370) |
(-4.520) |
(-2.544) |
(-3.757) |
| ID |
YES |
YES |
YES |
YES |
YES |
YES |
| Year |
YES |
YES |
YES |
YES |
YES |
YES |
| N |
7646 |
13639 |
4701 |
16584 |
5694 |
15591 |
| R2
|
0.724 |
0.684 |
0.670 |
0.661 |
0.600 |
0.673 |
| F |
1.634 |
5.538 |
3.043 |
6.388 |
3.763 |
5.366 |
| ***p<0.01,**p<0.05,*p<0.10 |