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Article

A Decision Support System to Estimate Green Sustainability from Environmental Protection and Debt Financing Indicators

School of Business, Macau University of Science and Technology, Taipa 999078, Macau
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Author to whom correspondence should be addressed.
Agriculture 2022, 12(8), 1249; https://doi.org/10.3390/agriculture12081249
Submission received: 10 July 2022 / Revised: 1 August 2022 / Accepted: 5 August 2022 / Published: 18 August 2022
(This article belongs to the Special Issue Application of Decision Support Systems in Agriculture)

Abstract

:
In the social context of advocating a low-carbon economy, achieving sustainable growth in line with current social development requirements is an issue that agribusiness must face. In order to explore the mechanisms influencing the sustainable growth of Chinese agriculture and to optimize the quality of agribusiness decisions, this paper examines the relationship between environmental management, debt financing indicators, and financial sustainable growth of the company in Chinese agriculture. Specifically, a decision support system based on the least square dummy variable (LSDV) model, mediating effects model and threshold effects model was constructed by using annual financial reports and questionnaire data of the listed agricultural enterprises. After empirical analysis, the following results were obtained: first, both environmental management and debt financing management help Chinese agricultural firms achieve financially sustainable growth. Second, debt financing can transmit the effect of environmental management on financially sustainable growth. Third, there are significant differences in the effects of debt financing on financially sustainable growth under different environmental management conditions. Finally, in order to promote the development of Chinese agriculture, this paper suggests that agricultural enterprises should actively implement environmental management and that relevant Chinese authorities should lower the financing threshold of the agricultural industry, while ensuring risk regulation.

1. Introduction

In the last decade, environmental issues have gradually become a regular concern in society [1]. Since the World Climate Conference in Paris in 2015, the world has agreed to combat climate change by achieving a green transition [2]. People’s environmental awareness and motivation are increasing [3], and various fields, including business, have begun to carry out research related to climate change [4]. Agriculture is an industry that is relatively dependent on environmental resources; therefore, environmental green policies may have an overall negative impact on agriculture [5]. Environmental management (EM) is currently one of the most important ways of transitioning the agricultural sector to a green economy [6]. In the context of advocating green and sustainable development, how to achieve sustainable development of the agricultural industry has become an urgent issue. Due to economic and technological development, green agriculture has become one of the fastest growing industries in China. In recent years, agricultural studies have mainly focused on business performance [7] and return on investment assessment [8], although they have increasingly addressed diversified investment strategies [5], internal governance mechanisms [9], and business crisis prediction [10]. Previous studies have shown that engaging in environmental activities may increase a firm’s competitive advantage, and thus its financial position [11,12]. Furthermore, for the agricultural sector, rationalizing production structures may increase production based on a reduction in green emissions in the sector [1].
Few scholars have focused on debt financing (DF) in the agricultural industry. In fact, due to macroeconomic and institutional pressures, the agricultural sector often faces financing problems, which seriously hinder its survival and sustainable development [13]. The agricultural industry relies on environmental endowments, and as labor costs rise, the benefits of agricultural investments become more limited, which in turn leads to increased financing thresholds and financing costs for the agricultural industry [14]. In addition, the long-term viability of Chinese agriculture in a green economy is a concern because agribusinesses must meet both social policy needs and financial needs [15]. Therefore, the field of environmental management and financial sustainable growth (FSG) deserves exploratory research. In summary, this study focuses on the relationship between environmental management, debt financing indicators, and sustainable corporate financial growth in Chinese agriculture in the context of a green and low-carbon society.
The contribution of this paper is mainly to establish a corporate decision support system by studying the relationship between EM and DF, FSG, and to provide a basis for business decision making in the environmental protection context. Second, this paper uses a mediating model to verify the transmission mechanism of EMDFFSG. The nonlinear threshold relationship between EM, DF and FSG was examined by using the threshold effect model, which further expands the research area of FSG. In addition, to control for endogeneity, this paper applies different methods, including instrumental variables (IVs), two-stage least squares (2SLS) and the system GMM model to make the results more robust and reliable. Finally, specific practical recommendations for decision support systems for agribusiness are presented. At present, the decision support model established in this paper is still inadequate, and the factors considered in future decision support systems for agricultural enterprises should be more comprehensive, such as adding more social factors and enterprise financial indicators.

2. Literature Review and Proposed Hypotheses

2.1. The Impact of Environmental Management (EM) on Financial Sustainable Growth (FSG)

With the increasing demand for environmental protection, climate and environmental factors have become important factors that cannot be ignored in business operations. In order to identify and improve the business environment, Patfitzianas (2008) added climate factors to the information and decision-making system of a company [16]. Existing studies generally agree that the implementation of green policies has a positive impact on the economy. Doukas (2020) adds climate policy to the considerations of the decision-making system to support climate-related decisions [17]. Some scholars believe that the implementation of green policies has a positive impact on the economy. Environmental management can help the environment by reducing the energy use intensity of companies and reducing pollutants. Scholars have argued that pollution prevention and greening can improve a company’s reputation and through reputation, companies can attract environmentally friendly consumers [18]. Li and Wu (2017) [19] found that increased environmental investment led to a decrease in both revenue and costs, but the decrease in costs was more pronounced. As a result, corporate profits increased. Zhu and Zhang (2015) [20] concluded that CSR and financial performance in China showed a significant positive relationship.
In addition, it has also been suggested that there is a negative correlation that occurs between environmental management and financial performance, and no correlation occurs between social responsibility and financial performance [21,22]. Studies have also presented other conclusions. For instance, certain aspects of social responsibility affect financial performance, whereas others are not significantly related to financial performance [23,24]. Therefore, whether environmental management can help firms achieve FSG is still inconclusive in the academic field. In summary, the first hypothesis is proposed in this paper as follows:
Hypothesis 1 (H1)
. EM can effectively promote corporate FSG.

2.2. Impact of Debt Financing (DF) on Financial Sustainable Growth (FSG)

Debt financing is an important part of corporate finance and the impact of debt on a company’s operations and financial performance has been a popular area of research. Simerly and Li (2000) [25] found that the association between debt ratios and financial position varies depending on the firm’s environment. Furthermore, Hayam Wahba. (2013) [26] discovered that the debt maturity, not the leverage ratio, influences a firm’s financial performance. El-Sayed Ebaid (2009) [27] discovered that DF and ROA had a negative relationship. Yazdanfar and Ohman (2015) [28] discovered that debt ratios have a detrimental influence on business profitability when it comes to trade credit, short term and long term debt. As decision support systems are becoming more widely used in business, corporate management is using them to help companies become more competitive in the marketplace [29]. Akinfiev et al. (2021) [30] designed a financial decision system based on agricultural business processes to enhance the development of sustainability of agricultural companies and reduce financing risks. Liu et al. (2022) [31] proposed a decision support system to evaluate the relationship between financing constraints and innovation in agricultural firms.
Compared to the world’s agricultural powerhouses, financing is one of the main problems faced by Chinese agricultural enterprises. On the one hand, Chinese agriculture companies are small in scale, poor in financial status, and weak in financing capabilities [32]; on the other hand, financial institutions are not knowledgeable about agriculture management, development planning, project development, or financing needs, and cannot make accurate judgements about project prospects, expected returns, or risk levels. Therefore, further efforts are needed to establish bank credit that meets the needs of China’s agricultural development [33].
Overall, DF has not reached a consensus on the financial performance-financial performance link. The reason for controversy is because, in addition to differences in empirical methodology, the economic and social conditions of the many nations represented in the literature may also influence the results; as one example, when regional economic policy instability is high, it can raise the cost of debt financing, and thus affect financial performance [34]. As a result, this paper’s research is defined by a study of the agriculture business in a Chinese social environment and the second hypothesis is proposed as follows:
Hypothesis 2 (H2)
. DF can promote corporate FSG.

2.3. The Role of Debt Financing (DF) between Environmental Management (EM) and Financially Sustainable Growth (FSG)

In the course of business management, one may be faced with the dilemma of choosing between current profits or long-term development. As a general rule, companies should neither be obsessed with current profits, nor should they focus on long-term development to the exclusion of immediate financial difficulties. According to Picas et al. (2021) [35], there has been a lot of scholarly interest in long-term financial growth. Srebro (2021) [36] indicated that a strong financial position is a need for long-term productivity. Sustainable growth indicators have been used to assess the sustainable production capacity of enterprises and to build sustainable supply chains in later research based on quantitative models [37,38]. Financial mechanisms are often important for sustainable corporate financial growth [39] and FGS is, therefore, generally measured using indicators from the following three different categories: economic, social, and environmental [40,41]. In studying the relationship between debt financing, corporate governance and market value for all listed companies in the Shenzhen Stock Exchange and Shanghai Stock Exchange, Li (2016) [42,43] found that debt financing, in general, has the effect of strengthening corporate governance, while corporate governance, as a signal, can also reflect firm performance. Thus, this paper proposes the third hypothesis as follows:
Hypothesis 3 (H3)
. EM promotion can be transmitted to FSG through DF.

3. Materials and Methods

3.1. Model Framework

To explore the relationship between environmental management, debt financing and sustainable financial growth, the model of EM, DF and FSG is established as follows:
F S G i t = a 0 + a 1 E m i t + a 2 D F i t + a 3 E m i t * D F i t + β X i t + ε i t
where the letters “i” and “t” stand for the firm and the year, respectively; S G R i t represents financial sustainability growth; E m i t represents environmental management; and D F i t represents debt financing. E m i t × D F i t represents the EM and DF interaction term; the control variables are represented by β X i t ; and random errors are represented by ε i t .

3.2. Variable Selection

For financial sustainable growth (FSG), there are two main types of models to research FGS, which are accounting-based and cash flow-based [44]. In this paper, the cash flow-based sustainable growth model is chosen because it examines the growth of the business from the DF perspective. In turn, the cash flow-based models can be divided into the Roppaport model and the Colley model, which are both based on different original assumptions [45]. The Roppaport model assumes that a firm must generate positive net cash flows in its operations, while in reality, a firm may generate negative net cash flows, which leads to significant differences between the model’s conclusions and reality. Therefore, we chose the Colley model because it usually produces stable and efficient results that are more in line with the current situation of Chinese agricultural enterprises.
The following are the hypotheses of the Colley model: first, the firm’s debt to operating ratio and dividend share in net income remain constant; second, the firm’s assets and current liabilities grow in proportion to sales; and third, asset depreciation expense is available for reinvestment in fixed assets. The calculation formula is as follows:
S G R = ( E B I T 1 ) ( 1 t ) ( 1 + D E R ) ( 1 D P O ) N A 0 ( E B I T 1 ) ( 1 t ) ( 1 + D E R ) ( 1 D P O )
where SGR denotes the financial sustainable growth indicator for agriculture companies, EBIT denotes earnings before interest and taxes, I denotes debt interest expense, t denotes tax rate, DER denotes debt-to-equity ratio, DPO denotes dividend payout ratio and N A 0 denotes net assets at the beginning of the period.
For environmental management (EM), this research is based on Gil’s (2001) [46] quantitative analysis table of agriculture company environmental management time, and it aims to investigate the following seven areas of company environmental management: environmental cost savings, environmental training programs, green purchasing policies, environmental protection as a selling point in advertising and marketing, asking customers to participate in environmental protection projects, requiring energy and water conservation, and collection of recyclable materials generated during operations, which are all examples of environmental cost savings. These seven indicators provide a comprehensive assessment of the environmental management of a business in terms of its staff, measures and operations. Managers of agriculture businesses were asked to rate the above seven things on a scale of 0–10, with the scores indicating how far their organization went to initiate and implement each of the steps.
Table 1 shows how the seven factors were transformed into a factorial indication. The Cronbach alpha value (0.83) is higher than Nunnally’s (1978) [47] 0.70 threshold value for ensuring internal consistency. Furthermore, the use of a supplementary assessment has confirmed the convergent validity of this component. Drawing on the approach of studies on exhibition (Jin and Weber, 2013) [48] and hotel companies (Buffa, et al., 2018 and Filimonau, 2018) [49,50], this work relied on studies that used the creation of an environmental strategy as a surrogate for EM.
For debt financing (DF), this paper draws on the approach proposed by Cole and Sokolyk (2018) [51], where the ratio of long-term debt to total assets represents leverage; this approach avoids the situation where the relationships between financial indicators obtained in the empirical evidence do not correspond to the reality. In addition, in order to have a representative sample for the article, enterprises in very poor financial condition close to bankruptcy are excluded from the sample in this paper.
For control variables, three control variables are set in this paper. Firm size and denoted by “Size”, growth rate of total agricultural output denoted by GTOV, and net assets per share denoted by “Ass”. Among them, the firm size indicator is expressed as the logarithm of the firm’s total assets, and the net asset per share is expressed as the ratio of shareholders’ equity to total stock.
Table 2 lists the names, symbols and definitions of all the variables. To reduce the influence of outliers on the estimate findings, the data were treated with a 2% tailing treatment on all the continuous variables.

3.3. Sample Selection and Data Sources

Annual financial reports of the listed Chinese A-share agriculture businesses from 2008 to 2017 were chosen as a sample of financial performance in this research, with data gathered from the China Stock Market and Accounting Research Database (CSMAR) and RESSET Financial Research Database (RESSET). Meanwhile, this paper used a questionnaire survey to collect environmental management indicators from 50 agriculture firms. The results of the descriptive statistics for the variables are presented in Table 3.

4. Results and Discussion

4.1. Baseline Regression Analysis

For samples with a large number of individuals but short time periods, Peric (2019) [52] discovered that the least square dummy variable (LSDV) estimate approach outperforms both the instrumental variable (IV) and GMM estimation methods. The generalized method of moment (GMM) is a method of constructing estimates based on the assumption that the random variables follow specific moments rather than assumptions about the entire distribution, which are referred to as moment conditions. This makes the GMM model relatively robust, but it also leads to a reduction in the validity of the estimator. In short, the GMM model is more suitable for data with a longer sample time span, while the LSDV model, which is suitable for data with a short time span and large number of individuals, better fits the data characteristics of this paper. Therefore, this paper mainly uses the LSDV model for fitting and the GMM model for robustness testing. The results of the fitting are presented in Table 4. According to Table 4, the F-values in the fitted results are large and pass the 1% significance level test, indicating that the overall coefficients of the model are significant, and the conclusions are valid. Both model 1 and model 2 were fitted based on Equation (2), the difference being that model 1 incorporates an interaction term, while model 2 has no interaction term as a control group. Based on the results of the fit, it appears that EM has a positive correlation with FSG at the 5% level of significance. Thus, hypothesis 1 was confirmed. Hypothesis 2 was confirmed based on the results of the DF fit, which showed a positive correlation with FSG at the 1% significance level.
Model 3 was fitted based on Equation (2), which considers whether EM affects the extent of the effect of DF on FSG when the interaction term is included. Based on the results of the fit, on the one hand, DF continues to act significantly on FSG and is positively correlated with FSG, which once again confirms hypothesis 2. On the other hand, the coefficients fitted to the interaction term indicate that EM has a significant effect on the relationship between DF and FSG, a result that verifies the validity of hypothesis 3.
In the fitted results for the relevant control variables, the coefficient representing firm size is 1.12, indicating that larger tourism firms are more capable of ensuring financially sustainable growth at the 5% level of significance. The fitted coefficient for GTOV is 1.55, indicating that growth in gross agriculture industry output is positively associated with financial sustainability at the 10% level of significance. The Ass coefficient is 3.12, indicating that at the 10% significant level, the company’s profitability is positively correlated with financial sustainability growth.
By fitting Equation (2) to obtain the coefficient results, we have preliminarily tested the previously proposed hypothesis. However, a series of tests are still required to obtain robust and valid results.

4.2. Endogeneity Test

The explanatory variables in this paper are likely to be correlated with the nuisance terms. Furthermore, while LSDV estimates might mitigate the endogeneity problem produced by missing variables, the endogeneity problem induced by the bilateral causal link between variables is difficult to avoid. As a result, this research employs the IV approach to address the endogeneity issue. To overcome the endogeneity problem, this article used the dispersion transformation on the fixed effect model first, and then used the two-stage least squares method to estimate the converted model (2SLS). The endogenous explanatory variables for the 2SLS estimate must be given in advance and described by suitable IVs. This paper assumes that the explanatory variables EM and DF are endogenous, and their lagged variables are selected to proxy for the IV method, and the estimation results are shown in Table 5.
Model 1 corresponds to the IV estimate result of Equation (2) without the interaction term, whereas model 2 corresponds to the IV estimate result of Equation (2) with the interaction term. As indicated in Table 5, the Anderson canon corr. LM statistic, which is employed in all models for “unrecognizable tests,” rejects the null hypothesis at the 1% level, indicating that the IVs set is identifiable. Simultaneously, the Cragg–Donald Wald F statistic used in the “weak instrumental variable test” in all models is significantly larger than the critical value (8.15) at the 10% bias level, rejecting the null hypothesis. In conclusion, the IVs sets can be considered to be effective and reasonable. Furthermore, there is no over-identification problem because the number of IVs chosen for this paper was comparable to the number of endogenous variables in order to avoid the appearance of over identification. According to the results, the fitted coefficients are similar to those obtained previously within Table 4, indicating that the previous fit using the LSDV model is valid. In addition, the fitted coefficients for the group of control variables are also the same as in the previous paper.

4.3. Robustness Test

In practical terms, financially sustainable growth should be a continuous time series indicator, and the position in the previous period may have an impact on both current and future values. However, this effect was not considered in the previous model in this paper, so the results may not be robust. Therefore, this paper adds consideration of the lagged term of FSG to the model and performs a robustness test using the systematic GMM. The test results show that the P-values for the residuals of the model differences are all much greater than zero, indicating that the models display no second-order correlation. According to the test results, the P-value is close to 1, the model is not over identified and the IV method is valid. In addition, the fitted variable coefficients were generally consistent with those from the baseline regression analysis. In summary, the robustness test proved the validity of the three hypotheses of this paper.

4.4. Retesting Interaction Effects through a Mediating Effects Model

In the previous model, an ‘interaction term’ was used to examine the impact of EM on FSG through DF. According to the results, the coefficient of the interaction term is significantly positive, but this result may be due to the fact that there is a correlation between the environmental management behavior of Chinese smart agriculture companies and the capital allocation behavior of the capital market, and that this correlation has a link to sustainable corporate financial growth. However, the significance of the ‘interaction term’ does not fully justify the impact of EM on FSG through DF. As a result, this research employs Baron and Kenny’s (1986) [53] mediating effects model to create the recursive model below, which properly identifies the transmission mechanism of EMDFFSG.
S G R i t = β 0 + β 1 E M i t + η X i t + ε i t
D F i t = λ 0 + λ 1 E M i t + θ X i t + ε i t
S G R i t = α 0 + α 1 E M i t + α 2 D F i t + φ X i t + ε i t
The first step is to run Equation (3) through regression and check if the EM coefficient is significant. If it is considerable, it suggests that tourist firms’ EM actions have an influence on FSG. The second step is to examine the influence of EM on DF by regressing Equation (4) (mediator). If the regression coefficient is substantial, then EM will have an impact on DF. The next step is to run Equation via regression (5). If the EM and DF coefficients are significant, and the coefficient falls when compared to the absolute value of the coefficient, there is a partial mediating impact. If the coefficient is substantial but the coefficient is not, it is possible that DF is acting as a full intermediary.
The assessment result of the mediating effect test is shown in Table 6. According to the results, the fitted coefficient of the EM term in model 1 is significantly positive at the 1% level of significance. The fit results for model 2 are also positive at the 1% level of significance, while the over-fit results in model 3 show that the fitted coefficient of the EM term is evidenced at the 5% level of significance and the coefficient of the DF term is evidenced at the 1% level of significance. In summary, the fitted coefficient of the EM term in model 3 is much lower than that of model 1, which reflects the involvement of the DF term in mediating the impact, indicating that the EM of tourism enterprises influences FSG through DF, revealing the impact transmission path of “EMDFFSG”.

4.5. Retesting Interaction Effects through Threshold Effect Models

The “interaction term test” results suggest that EM promotes FSG via DF. However, another limitation of the “interaction term test” is that it assumes that “the impact of EM is a linear correlation of monotonous decreasing or increasing,” whereas existing studies show that the influence of EM on FSG is a non-linear correlation [54,55], which raises the question of whether there is a non-linear relationship between EM, DF, and FSG. In fact, this suggests that the influence of EM may have a threshold effect, meaning that the impact of DF on FSG varies significantly across EM thresholds. To assess the non-linear connection between EM, DF, and FSG, this work enhances the “interaction term test” by using the threshold effect model established by Hansen (1999) [56]. In other words, depending on EM, one must check if the influence of DF on FSG has a threshold effect. We created the panel threshold model presented in Equation (6) based on Equation (2).
S G R i t = a 0 + a 1 D F i t ( E m i t γ 1 ) + a 2 D F i t I ( γ 1 < E m i t γ 2 ) + + a n D F i t I ( γ n 1 < E M i t γ n ) + a n + 1 D F i t ( E m i t > γ n ) + β X i t + ε i t
where E m i t represents the threshold variable for the environmental management term. γ is the threshold value of the environmental management term to be tested. a n   series terms represent the coefficients of the effect of DF on FSG for different ranges of values of E m i t . A threshold setting is valid if there is a significant difference between the fitted values of a n ; I ( x ) is a dummy variable with I = 1   when certain conditions are met, otherwise I = 0   . ε i t is the error term. The remaining terms have the same sign as in Equation (2) above.
The results of the threshold model fitting are shown in Table 7. Based on the results, it can be found that there are significant differences in the series indices, representing the effect of DF on FSG. Specifically, there should be two thresholds for the EM term, and the impact effect coefficient is roughly divided into three stages. When the value of the EM term is below 0.55, the impact effect coefficient is 2.05; when the EM term coefficient is above this threshold, the impact effect coefficient is 2.33, which is significantly higher than the impact effect coefficient in the previous stage. Furthermore, when the coefficient of the EM term is above 0.58, the impact effect coefficient is 2.76, which is again significantly higher than the impact effect coefficient of the second stage. This not only allowed the threshold values of 0.55 and 0.58 for the EM term, respectively, but also allowed the positive correlation between the effect of EM on DF and FSG to be established once again.

5. Conclusions

In this paper, the least square dummy variable (LSDV) model, mediating effects model and threshold effects model are used to build a decision support system around environmental management (EM), debt financing (DF) and financial sustainable growth (FSG) factors of Chinese agricultural companies. The decision support system is able to provide a reference basis for agricultural business decisions. Secondly, this paper combines the decision support system and sample data to verify the transmission mechanism of EMDFFSG from a qualitative perspective with a mediation model; from a quantitative perspective with a threshold effect model to test the nonlinear threshold relationship among EM, DF and FSG, further expanding the research field of FSG. According to the results of the study, the cost of debt financing is reduced by a company’s involvement in environmental management, but environmental expenditures can partially offset the benefits of environmental management investments on the cost of debt financing. Company owners are concerned not only with reducing the cost of debt financing, but also with the long-term viability of the company. Therefore, this paper further investigates the impact of EM on a firm’s financially sustainable growth. The results show that a company’s sustainable expansion ability is impaired by the lack of debt financing ability, but investing in EM can reduce debt financing costs and improve debt financing ability, thus helping the company to achieve sustainable growth. Investing in EM increases a company’s operating expenses and reduces financing costs. In the long run, investing in EM can be helpful to the long-term financial success of the company. Finally, this paper makes specific recommendations for agribusiness and the related sectors based on the results of the decision support system.
For agribusiness, environmental stewardship investments can help companies achieve long-term financial success by reducing the cost of debt financing. Therefore, agricultural industries should utilize various debt financing options to expand their main business. They can expand the size of their companies, develop agricultural groups through capital operations, and achieve green growth, while ensuring that overall financing costs are minimized. Currently, bank loans and commercial credit are the main sources of debt financing for China’s agricultural industry. It is also critical that banks and companies appropriately ease restrictions on refinancing agribusinesses to make debt financing more readily available to these companies. Banks and related financial institutions may ease credit criteria for profitable companies with low balance sheet ratios. On the other hand, banks and related regulators must improve the tracking and management of loan financing for firms with low profitability and poor operating performance.
There are a number of strategies that the relevant government departments can use to encourage agricultural businesses to invest in environmental management. First, this can be achieved through the design of effective environmental testing procedures and the appropriate use of laws and regulations that improve the environment. Second, agricultural enterprises that contribute to energy conservation and environmental protection should be encouraged to participate in environmental management by providing appropriate incentives. Third, the government should support environmental management by creating a green environment and imposing restrictions on agricultural business stakeholders. For example, standards for environmental protection must be emphasized among the government, community monitors, customers, investors, and employees. Fourth, to support the transformation and upgrading of tourism enterprises, governments and industry organizations can encourage agricultural enterprises to use energy-efficient and environmentally friendly technologies by providing regulatory support or establishing platforms. For example, industry organizations can provide uniform training for agribusinesses or provide technical assistance in using new technologies. Agricultural enterprises should be encouraged to work with energy-efficient technology companies to provide them with customized environmental management technology services, thereby improving the efficacy of technology products. Fifth, demand-driven efforts should be made to enhance society’s concept of green agriculture and to motivate consumers to change their consumption habits, so that agricultural enterprises can develop green projects.

Author Contributions

H.Z.: Methodology. H.H.C.: Writing—original draft. K.L.: Data curation. Z.R.: Writing—review and editing. All authors have read and agreed to the published version of the manuscript.

Funding

This research received no external funding.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

Conflicts of Interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Table 1. Factor analysis results for EM item subjective scales.
Table 1. Factor analysis results for EM item subjective scales.
Scale and ItemFactor Loading
123
The company quantifies in its budget its environmental savings and costs0.200.680.17
The company gives the employees training on environmental issues0.340.640.11
The company gives priority to purchasing ecological products (biodegradable, reusable, recyclable, etc.)0.140.700.25
The company uses ecological arguments in its marketing campaigns0.090.750.31
The company facilitates customer collaboration in environmental protection (voluntary changing of towels, etc.) 0.100.640.35
The company applies energy and water saving practices 0.110.640.34
The company makes a selective collection of paper, oil, glass, etc. 0.150.680.15
Eigenvalue/3.68/
Percentage of variance explained/17.47/
Alpha/0.83/
Note: This scale is referenced from Alvarez Gil et al. (2001) [46].
Table 2. The definition of variables.
Table 2. The definition of variables.
VariableSymbolsDefinition
Debt financingDFLong-term debt to total assets
SizeSizeLn (total assets)
Growth rate of the total output value of industryGTOV(TOV2-TOV1)/TOV1
Net assets value per shareAssThe ratio of stockholders’ equity to total stock
Environmental management EmCalculated by factor analysis
Sustainable growth rateSGREquation (2)
Table 3. The description analysis.
Table 3. The description analysis.
VariableMeanSt. Dev.Max.Min.
SGR0.650.431.560.01
EM5.282.167.194.01
DF0.220.180.290.01
Size20.421.3723.1419.13
GTOV0.1020.8140.220.03
Ass2.491.536.27−0.52
Table 4. The results of baseline regression.
Table 4. The results of baseline regression.
Input VariableOutput Coefficient
Model 1Model 2Model 3
Cons.8.7612.376.81 *
(6.74)(9.45)(4.33)
EM1.94 **1.79 **
(3.17)(2.35)
DF2.54 ***2.91 ***2.673 ***
(5.13)(7.44)(7.01)
EM*DF 3.41 ***
(5.89)
Size 0.87 **1.14 **
(1.64)(2.35)
GTOV 1.91 *1.52 *
(3.88)(2.19)
Ass 2.77 *3.01 *
(5.72)(6.14)
Adjust R20.5020.5340.551
F value22.97 ***21.81 ***20.33 ***
Note: ***, **, * significant at 1%, 5%, and 10% levels, respectively; () represents Z value.
Table 5. The results of 2SLS estimation.
Table 5. The results of 2SLS estimation.
Input VariableOutput Coefficient
Model 1Model 2
Cons.10.3111.03 **
(8.17)(8.91)
EM1.91 **
(3.75)
DF1.08 ***3.071 ***
(5.27)(9.14)
EM*DF 2.49 ***
(4.77)
Size1.35 *1.35 **
(3.12)(3.19)
GTOV1.23 **2.33 **
(3.04)(4.07)
Ass2.14 **1.35 **
10.59(4.07)
Uncentered R20.3340.327
Anderson canon. corr. LM value98.35 ***97.46 ***
Cragg–Donald Wald F value82.4780.06
Note: ***, **, * significant at 1%, 5%, and 10% levels, respectively; () represents Z value.
Table 6. The results of mediating effect model.
Table 6. The results of mediating effect model.
Input VariableOutput Coefficient
Model 1 (For SGR)Model 2 (For DF)Model 3 (For SGR)
EM3.01 ***1.17 ***1.18 **
(4.24)(2.42)(3.07)
DF 2.35 ***
(4.71)
Adjust R20.5130.4920.547
F value20.17 ***16.07 ***23.43 ***
Note: ***, **, * significant at 1%, 5%, and 10% levels, respectively; () represents Z value.
Table 7. The results of threshold effect model.
Table 7. The results of threshold effect model.
Input Threshold Variable: EMOutput Coefficient
CoefficientZ Value
D F i t I ( E m i t 0.553 ) 2.07 ***6.16
D F i t I ( 0.533 < E m i t 0.584 ) 2.35 ***6.98
D F i t ( E m i t > 0.584 ) 2.87 ***7.51
Adjust R20.571
F value7.53 **
Note: ***, **, * significant at 1%, 5%, and 10% levels, respectively.
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Ren, Z.; Chen, H.H.; Lao, K.; Zhang, H. A Decision Support System to Estimate Green Sustainability from Environmental Protection and Debt Financing Indicators. Agriculture 2022, 12, 1249. https://doi.org/10.3390/agriculture12081249

AMA Style

Ren Z, Chen HH, Lao K, Zhang H. A Decision Support System to Estimate Green Sustainability from Environmental Protection and Debt Financing Indicators. Agriculture. 2022; 12(8):1249. https://doi.org/10.3390/agriculture12081249

Chicago/Turabian Style

Ren, Zhengyu, Hsing Hung Chen, Kunseng Lao, and Hongyi Zhang. 2022. "A Decision Support System to Estimate Green Sustainability from Environmental Protection and Debt Financing Indicators" Agriculture 12, no. 8: 1249. https://doi.org/10.3390/agriculture12081249

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