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学者姓名：方丽婷
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Abstract ：
Green innovation in heavily polluting firms is crucial for sustainable development, yet financial constraints remain a major barrier. This study employs a Spatial Durbin Model to analyze how financialization influences green innovation in China's A-share listed firms. The results indicate that financialization intensifies financing constraints, leading to a suppression of green innovation. This effect is primarily driven by the "crowding-out effect", which outweighs the "reservoir effect" that financialization may provide. Additionally, industry-wide peer effects further spread the negative impact, while agency conflicts and managerial incentives exacerbate the problem. Regional disparities are also observed, with stronger negative effects in eastern and central regions and among firms with high managerial compensation. To address these issues, the study recommends strengthening policy guidance, expanding green finance mechanisms, promoting industry collaboration, and improving corporate governance. These findings enhance our understanding of the dual impact of financialization on green innovation and provide actionable policy recommendations for achieving sustainable development in high-pollution industries.
Keyword ：
green innovation green innovation heavily polluting firms' financialization heavily polluting firms' financialization spatial Durbin model spatial Durbin model
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| GB/T 7714 | Zhong, Zifeng , Wu, Shaoxiong , Hu, Jieying et al. Does Financialization Alleviate the Funding Dilemma of Green Innovation in Heavily Polluting Firms?: Evidence from China's A-Share Listed Companies [J]. | SYSTEMS , 2025 , 13 (3) . |
| MLA | Zhong, Zifeng et al. "Does Financialization Alleviate the Funding Dilemma of Green Innovation in Heavily Polluting Firms?: Evidence from China's A-Share Listed Companies" . | SYSTEMS 13 . 3 (2025) . |
| APA | Zhong, Zifeng , Wu, Shaoxiong , Hu, Jieying , Fang, Liting , Li, Kunming . Does Financialization Alleviate the Funding Dilemma of Green Innovation in Heavily Polluting Firms?: Evidence from China's A-Share Listed Companies . | SYSTEMS , 2025 , 13 (3) . |
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This paper proposes a semiparametric spatial lag model and develops a Bayesian estimation method for this model. In the estimation of the model, the paper combines Reversible Jump Markov Chain Monte Carlo (RJMCMC) algorithm, random walk Metropolis sampler, and Gibbs sampling techniques to sample all the parameters. The paper conducts numerical simulations to validate the proposed Bayesian estimation theory using a numerical example. The simulation results demonstrate satisfactory estimation performance of the parameter part and the fitting performance of the nonparametric function under different spatial weight matrix settings. Furthermore, the paper applies the constructed model and its estimation method to an empirical study on the relationship between economic growth and carbon emissions in China, illustrating the practical application value of the theoretical results. © 2024 by the authors.
Keyword ：
Bayesian estimation Bayesian estimation polynomial spline polynomial spline RJMCMC RJMCMC semiparametric spatial lag model semiparametric spatial lag model
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| GB/T 7714 | Li, K. , Fang, L. . Bayesian Estimation of the Semiparametric Spatial Lag Model [J]. | Mathematics , 2024 , 12 (14) . |
| MLA | Li, K. et al. "Bayesian Estimation of the Semiparametric Spatial Lag Model" . | Mathematics 12 . 14 (2024) . |
| APA | Li, K. , Fang, L. . Bayesian Estimation of the Semiparametric Spatial Lag Model . | Mathematics , 2024 , 12 (14) . |
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This paper proposes a semiparametric spatial lag model and develops a Bayesian estimation method for this model. In the estimation of the model, the paper combines Reversible Jump Markov Chain Monte Carlo (RJMCMC) algorithm, random walk Metropolis sampler, and Gibbs sampling techniques to sample all the parameters. The paper conducts numerical simulations to validate the proposed Bayesian estimation theory using a numerical example. The simulation results demonstrate satisfactory estimation performance of the parameter part and the fitting performance of the nonparametric function under different spatial weight matrix settings. Furthermore, the paper applies the constructed model and its estimation method to an empirical study on the relationship between economic growth and carbon emissions in China, illustrating the practical application value of the theoretical results.
Keyword ：
Bayesian estimation Bayesian estimation polynomial spline polynomial spline RJMCMC RJMCMC semiparametric spatial lag model semiparametric spatial lag model
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| GB/T 7714 | Li, Kunming , Fang, Liting . Bayesian Estimation of the Semiparametric Spatial Lag Model [J]. | MATHEMATICS , 2024 , 12 (14) . |
| MLA | Li, Kunming et al. "Bayesian Estimation of the Semiparametric Spatial Lag Model" . | MATHEMATICS 12 . 14 (2024) . |
| APA | Li, Kunming , Fang, Liting . Bayesian Estimation of the Semiparametric Spatial Lag Model . | MATHEMATICS , 2024 , 12 (14) . |
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Abstract ：
文章提出一类半参数空间滞后分位数回归模型,该模型能够同时考察因变量的空间相关性和影响机制的部分非线性,且可以在任意分位点对响应函数分别建模.其次,文章构建了模型的贝叶斯估计方法,在贝叶斯理论框架的构建中,文章利用多项式样条拟合未知非参函数,并结合可逆跳MCMC算法、随机游动Metropolis抽样器以及Gibbs抽样技术来对所有参数进行抽样,然后利用数值模拟方法和应用实例考察参数估计精度、未知函数拟合效果以及实际应用效果.结果发现,在两种不同空间数据结构以及多种不同样本量设置下,三个不同分位点上参数估计值的精度较高,非参部分未知函数的拟合效果良好,应用实例也展示了理论方法的实际应用价值.本文的研究结果证实了所提出的模型及其理论方法可以为同时存在线性关系与非线性关系,以及具有厚尾和空间相依特征的变量和数据提供有力的分析工具.
Keyword ：
分位数回归 分位数回归 半参数 半参数 空间滞后模型 空间滞后模型 贝叶斯估计 贝叶斯估计
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| GB/T 7714 | 方丽婷 , 李坤明 . 半参数空间滞后分位数回归模型的贝叶斯估计及应用 [J]. | 系统工程理论与实践 , 2024 , 44 (10) : 3346-3361 . |
| MLA | 方丽婷 et al. "半参数空间滞后分位数回归模型的贝叶斯估计及应用" . | 系统工程理论与实践 44 . 10 (2024) : 3346-3361 . |
| APA | 方丽婷 , 李坤明 . 半参数空间滞后分位数回归模型的贝叶斯估计及应用 . | 系统工程理论与实践 , 2024 , 44 (10) , 3346-3361 . |
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碳交易试点政策是中国经济实现低碳转型的重要举措。基于2007-2021年30个省份的面板数据，运用多时点DID和连续DID相结合的方法，实证研究碳交易市场对地区产业结构升级的影响。研究表明：碳交易试点政策可以正向影响地区产业结构升级，且碳价格的提高显著地促进了地区产业结构升级。异质性分析发现，对于东部和中部地区，碳价格对地区结构高度化的提升有明显的促进作用，但是对西部地区的影响效果不显著。机制分析发现，碳价格可通过提高研发强度间接促进产业结构升级。基于以上结论，提出相关建议：一是进一步推进全国碳交易市场建设，推动全国和地区碳交易市场健康有效地运行；二是合理控制碳配额数量，扩大行业覆盖面，增加主体多样性，同时丰富市场交易产品；三是完善碳市场内部运行机制，提高市场运行质量；四是加强对碳减排技术的支持，增强企业合作的多元性，提高企业核心竞争力。
Keyword ：
产业结构 产业结构 优化升级 优化升级 碳交易市场 碳交易市场 碳价格 碳价格
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| GB/T 7714 | 方丽婷 , 张芳芳 . 碳交易试点政策对地区产业结构升级的影响研究 [J]. | 当代金融研究 , 2024 , 7 (03) : 1-16 . |
| MLA | 方丽婷 et al. "碳交易试点政策对地区产业结构升级的影响研究" . | 当代金融研究 7 . 03 (2024) : 1-16 . |
| APA | 方丽婷 , 张芳芳 . 碳交易试点政策对地区产业结构升级的影响研究 . | 当代金融研究 , 2024 , 7 (03) , 1-16 . |
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This paper proposes a semi-parametric spatial lag quantile regression model, which can simultaneously examine the spatial correlation of the dependent variables and the partial nonlinearity of the influencing mechanism, and can model the response function at any quantile. Secondly, the paper constructs a Bayesian estimation method for the model. In the construction of the Bayesian theoretical framework, the paper uses polynomial splines to fit the unknown nonparametric functions, and samples all parameters by combining reversible jump markov chain monte carlo (RJMCMC) algorithm, random walk Metropolis sampler and Gibbs sampling technique. Then the accuracy of parameter estimation, the fitting effect of unknown function and the effect of practical application are investigated by numerical simulation method and application example. The results show that the accuracy of parameter estimates at three different quantile is higher under two different spatial data structures and a variety of different sample sizes. And the fitting effect of non-parametric unknown functions is good. The practical application of the theoretical method is also demonstrated. The results of this paper demonstrate that the proposed model and its theoretical approach can provide a powerful analytical tool for variables and data with both linear and nonlinear relationships, and with thick tails and spatial dependencies. © 2024 Systems Engineering Society of China. All rights reserved.
Keyword ：
Markov chains Markov chains Monte Carlo methods Monte Carlo methods Network security Network security Regression analysis Regression analysis
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| GB/T 7714 | Fang, Liting , Li, Kunming . Bayesian estimation and application of semiparametric spatial lag quantile regression model [J]. | System Engineering Theory and Practice , 2024 , 44 (10) : 3346-3361 . |
| MLA | Fang, Liting et al. "Bayesian estimation and application of semiparametric spatial lag quantile regression model" . | System Engineering Theory and Practice 44 . 10 (2024) : 3346-3361 . |
| APA | Fang, Liting , Li, Kunming . Bayesian estimation and application of semiparametric spatial lag quantile regression model . | System Engineering Theory and Practice , 2024 , 44 (10) , 3346-3361 . |
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文章基于2011-2021年中国高校教育教学创新及数字经济的统计数据,首先探究了数字经济发展对高校教育教学创新的区域协同效应,然后从人力资本和交易成本入手,深入分析数字经济发展对高校教育教学创新的调节效应.结果表明,数字经济促进了高校教育教学创新水平,且高校教育教学创新存在显著的空间依赖性.文章最后从3个方面提出对策和建议.该项研究在促进高校教育教学创新以及评估数字经济政策效果方面具有重要意义.
Keyword ：
人力资本 人力资本 数字经济 数字经济 空间计量分析 空间计量分析 高校教育教学创新 高校教育教学创新
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| GB/T 7714 | 方丽婷 , 李坤明 . 数字经济背景下高校教育教学创新的区域协同效应研究 [J]. | 高等理科教育 , 2024 , (6) : 9-19 . |
| MLA | 方丽婷 et al. "数字经济背景下高校教育教学创新的区域协同效应研究" . | 高等理科教育 6 (2024) : 9-19 . |
| APA | 方丽婷 , 李坤明 . 数字经济背景下高校教育教学创新的区域协同效应研究 . | 高等理科教育 , 2024 , (6) , 9-19 . |
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Selecting suppliers for prefabricated components (PCs) involves a complex decision-making process, frequently relying on ambiguous information and subjective judgment. However, most existing methods use precise values to portray indicator information and overlook the uncertainty of weights and the subjective preferences of decision-makers (DMs). In order to address these limits, this paper proposes a novel approach to select suppliers of PCs. Initially, an evaluation index system for suppliers is established through literature analysis and a questionnaire survey. The system comprises six layers: product quality, price, service level, comprehensive ability, supply ability, and environmental sustainability. The group decision matrix is then constructed using the set-valued statistical method and the prospect theory. The index weights are determined by a combination weighting method. Next, the cobweb model is introduced to analyze the disparity between the alternative and ideal solutions, describing their similarities in terms of area and shape. Lastly, cobweb similarity is employed instead of comprehensive distance, combined with the minimum sum of squares criterion, to improve the closeness algorithm and contrast the alternatives. The results demonstrate that this method facilitates a comprehensive evaluation of the benefits and drawbacks of various alternatives from diverse perspectives. Furthermore, it allows flexible adjustments based on the risk preferences of DMs, ensuring accurate and reliable decision results.
Keyword ：
cobweb model cobweb model cobweb similarity cobweb similarity prospect theory prospect theory risk preference risk preference Select suppliers Select suppliers
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| GB/T 7714 | Zhang, Xiang , Huang, Jianhua , Fang, Liting et al. A supplier selection method based on cobweb similarity and prospect theory for prefabricated components [J]. | JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , 2024 , 46 (2) : 4467-4479 . |
| MLA | Zhang, Xiang et al. "A supplier selection method based on cobweb similarity and prospect theory for prefabricated components" . | JOURNAL OF INTELLIGENT & FUZZY SYSTEMS 46 . 2 (2024) : 4467-4479 . |
| APA | Zhang, Xiang , Huang, Jianhua , Fang, Liting , Li, Qian . A supplier selection method based on cobweb similarity and prospect theory for prefabricated components . | JOURNAL OF INTELLIGENT & FUZZY SYSTEMS , 2024 , 46 (2) , 4467-4479 . |
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We investigate the effect of corporate digitalization capabilities on green innovation among Chinese-listed firms. Using a panel dataset of 2908 companies from 2011 to 2020, we use textual analysis and entropy weighting on corporate annual reports to construct a yearly corporate digitalization index. Our findings show that corporate digitalization promotes green innovation, as evidenced by patent applications and grants. This relationship is stronger for firms with fewer financial constraints and in provinces with strong intellectual property protection. We also find the national digital policy of the "Internet Plus" strategy has a stronger positive effect on corporate green innovation for corporations with a higher degree of digitalization. Our results are robust to various alternative measures, econometric models, and different samples.
Keyword ：
corporate digitalization corporate digitalization financing constraints financing constraints green innovation green innovation green patent applications and grants green patent applications and grants local intellectual property protection local intellectual property protection
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| GB/T 7714 | Fang, Liting , Li, Zhaohua . Corporate digitalization and green innovation: Evidence from textual analysis of firm annual reports and corporate green patent data in China [J]. | BUSINESS STRATEGY AND THE ENVIRONMENT , 2024 , 33 (5) : 3936-3964 . |
| MLA | Fang, Liting et al. "Corporate digitalization and green innovation: Evidence from textual analysis of firm annual reports and corporate green patent data in China" . | BUSINESS STRATEGY AND THE ENVIRONMENT 33 . 5 (2024) : 3936-3964 . |
| APA | Fang, Liting , Li, Zhaohua . Corporate digitalization and green innovation: Evidence from textual analysis of firm annual reports and corporate green patent data in China . | BUSINESS STRATEGY AND THE ENVIRONMENT , 2024 , 33 (5) , 3936-3964 . |
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Keyword ：
China China Corporate innovation Corporate innovation D investment D investment R & amp R & amp Tax policy reform Tax policy reform
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| GB/T 7714 | He, Lerong , Jiang, Xiaozhen , Fang, Liting . Tax policy reform and corporate innovation in China [J]. | FINANCE RESEARCH LETTERS , 2023 , 55 . |
| MLA | He, Lerong et al. "Tax policy reform and corporate innovation in China" . | FINANCE RESEARCH LETTERS 55 (2023) . |
| APA | He, Lerong , Jiang, Xiaozhen , Fang, Liting . Tax policy reform and corporate innovation in China . | FINANCE RESEARCH LETTERS , 2023 , 55 . |
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