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学者姓名：余文涛
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Abstract ：
在数字化时代,建立一套有效的数字经济政策体系以推动并构建现代化产业体系对实现我国经济高质量发展至关重要.利用我国207个地级市2013-2019年一整套数字经济政策体系,可运用双重差分法检验数字经济政策对产业结构升级的影响.结果表明,地方政府出台数字经济政策有利于显著推动本地区产业结构向高级化与合理化方向演进.从影响机制看,数字经济政策对产业结构升级的影响主要依赖于数字经济规模扩张效应这一实现机制,而其产业创新效应的潜在机制则缺乏统计意义上的显著性.异质性检验结果表明,不同类别数字经济政策体系对产业结构升级都具有显著的促进作用;此外,数字经济政策的产业结构高级化效应在东、中、西部地区都是显著的,但其产业结构合理化效应仅在东部地区显著.
Keyword ：
产业结构升级 产业结构升级 双重差分法 双重差分法 数字经济政策 数字经济政策
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| GB/T 7714 | 余文涛 , 杜博涵 , 翁明芳 . 数字经济政策与中国产业结构升级:影响机制与经验证据 [J]. | 厦门大学学报（哲学社会科学版） , 2024 , 74 (5) : 95-107 . |
| MLA | 余文涛 等. "数字经济政策与中国产业结构升级:影响机制与经验证据" . | 厦门大学学报（哲学社会科学版） 74 . 5 (2024) : 95-107 . |
| APA | 余文涛 , 杜博涵 , 翁明芳 . 数字经济政策与中国产业结构升级:影响机制与经验证据 . | 厦门大学学报（哲学社会科学版） , 2024 , 74 (5) , 95-107 . |
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This paper seeks to investigate the relationship between e-commerce and total factor productivity (TFP) at the manufacturing firm level. Using data of 178 A-share listed companies in China during the period from 2015 to 2021, the article empirically tests the questions of whether and how e-commerce used directly by manufacturing firms can boost their productivity growth. The result shows that the penetration of e-commerce in manufacturing has a positive and significant effect on TFP growth. It is also found that the spillovers of intra-firm human capital and the effect of inter-firm market competition both play a crucial role in linking e-commerce to firm-level TFP growth. Specifically, e-commerce is beneficial to driving TFP growth significantly through attracting high-quality rather than low-quality human capital accumulating in manufacturing firms, as well as through improving appropriately market concentration rather than increasing the intensity of market competition. This article contributes to the existing literature by exploring the productivity-driving force of manufacturing firms which face transformation from a focus on the production to the marketing chain within the context of online business. It also provides policy applications how to improve the TFP of manufacturing firms through the use of digital platforms.
Keyword ：
E-commerce E-commerce Manufacturing enterprises Manufacturing enterprises Platform economy Platform economy Total factor productivity Total factor productivity
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| GB/T 7714 | Yu, Wentao , Du, Bohan , Guo, Xiumei et al. Total factor productivity in Chinese manufacturing firms: the role of E-commerce adoption [J]. | ELECTRONIC COMMERCE RESEARCH , 2023 , 25 (2) : 1005-1031 . |
| MLA | Yu, Wentao et al. "Total factor productivity in Chinese manufacturing firms: the role of E-commerce adoption" . | ELECTRONIC COMMERCE RESEARCH 25 . 2 (2023) : 1005-1031 . |
| APA | Yu, Wentao , Du, Bohan , Guo, Xiumei , Marinova, Dora . Total factor productivity in Chinese manufacturing firms: the role of E-commerce adoption . | ELECTRONIC COMMERCE RESEARCH , 2023 , 25 (2) , 1005-1031 . |
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The rapid expansion and implementation of digital technologies are profoundly changing our lifestyles, production methods, and modes of exchange. However, whether or not such change can help promote the sustainability of urban socio-environmental systems has not been fully investigated. In this paper, we propose a comprehensive framework that utilizes the spatial Durbin model to investigate whether and how the digital economy contributes to low-carbon urban development, using the panel data of 276 Chinese cities from 2011 to 2018. This framework systematically identifies triple dimensions of low-carbon transition taking place throughout the whole value chain system, i.e. green innovation, production reshaping, and consumption upgrading. The finding reveals that the digital economy in a city exerts a significant mitigating effect on carbon emissions in both local and neighboring cities. It is also observed that digital economy activities play a significant role in alleviating urban carbon emissions due to their capacity to stimulate green innovation and promote sustainable patterns of production and consumption. The robustness of these findings is assessed through the consideration of endogeneity and substitution of the explained and explanatory variables. This paper contributes to a systematic understanding of the linkage between the revolution of digitalization within economic systems and the transition towards sustainability within environmental systems. It also provides valuable insights to policymakers on strategies to promote and accelerate low-carbon development.
Keyword ：
carbon emissions carbon emissions digital economy digital economy low-carbon development low-carbon development sustainable consumption sustainable consumption sustainable production sustainable production urban transition urban transition
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| GB/T 7714 | Yu, Wentao , Lan, Ning , Tan, Xiaolan et al. Does the digital economy drive low-carbon urban development? The role of transition to sustainability [J]. | FRONTIERS IN ECOLOGY AND EVOLUTION , 2023 , 11 . |
| MLA | Yu, Wentao et al. "Does the digital economy drive low-carbon urban development? The role of transition to sustainability" . | FRONTIERS IN ECOLOGY AND EVOLUTION 11 (2023) . |
| APA | Yu, Wentao , Lan, Ning , Tan, Xiaolan , Zhang, Shanshan , Chen, Jinyan . Does the digital economy drive low-carbon urban development? The role of transition to sustainability . | FRONTIERS IN ECOLOGY AND EVOLUTION , 2023 , 11 . |
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The platform economy is growing fast in the world. Its expansion, exemplified by industry giants like Amazon, Airbnb, and Uber, is reshaping societal lifestyles and commercial businesses. However, its environmental impacts are uncertain. Currently, the relationship between electronic commerce (e-commerce) activities and environmental pollution has attracted a lot of attention. This paper attempts to construct a comprehensive theoretical model to investigate the nexus between e-commerce and regional environmental pollution, with a particular focus on the effects of air pollution and waste pollution. Fixed effect models and China's provincial data during the period from 2008 to 2018 are employed to examine the roles of energy efficiency and resource consumption in such a nexus. The findings suggest that the development of e-commerce is linked to a reduction in regional air pollution through the channel of improving transportation energy efficiency. The results also show that e-commerce is associated with an increase in regional waste pollution due to the mechanism of resource consumption in the express packaging industry. As a result, the relationship between e-commerce and environmental pollution is quite complex at the regional level, transcending a binary distinction of solely positive or negative impacts. This paper contributes to a better understanding of the complex environmental impacts of e-commerce and helps governments design more efficient and targeted policies to reduce regional pollution.
Keyword ：
China China e-commerce strategy e-commerce strategy energy efficiency energy efficiency environmental pollution environmental pollution
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| GB/T 7714 | Yu, Wentao , Wu, Yanrui , Tan, Xiaolan et al. The nexus between electronic commerce and environmental pollution: The roles of energy efficiency and resource consumption [J]. | BUSINESS STRATEGY AND THE ENVIRONMENT , 2023 , 33 (3) : 2287-2300 . |
| MLA | Yu, Wentao et al. "The nexus between electronic commerce and environmental pollution: The roles of energy efficiency and resource consumption" . | BUSINESS STRATEGY AND THE ENVIRONMENT 33 . 3 (2023) : 2287-2300 . |
| APA | Yu, Wentao , Wu, Yanrui , Tan, Xiaolan , Guo, Xiumei . The nexus between electronic commerce and environmental pollution: The roles of energy efficiency and resource consumption . | BUSINESS STRATEGY AND THE ENVIRONMENT , 2023 , 33 (3) , 2287-2300 . |
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Based on the dimensions of job security and ownership, the creative class is distinguished between the self-employed and the paid-employed in this paper. Based on panel data from 2000 to 2017 in China, we find the creative class of paid-employed is more attracted by a quality of place with better ecological environment and more art and culture facilities, while the self-employed creative class seems to live and work in an area with more financial benefit and high-tech industries. This study contributes a theoretical model to explain why and how the type of the creative class is unevenly spatially distributed across China.
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| GB/T 7714 | Yu, Wentao , Tan, Xiaolan . The creative class in China: Heterogeneity and its regional determinants [J]. | MANAGERIAL AND DECISION ECONOMICS , 2022 , 43 (8) : 3466-3478 . |
| MLA | Yu, Wentao et al. "The creative class in China: Heterogeneity and its regional determinants" . | MANAGERIAL AND DECISION ECONOMICS 43 . 8 (2022) : 3466-3478 . |
| APA | Yu, Wentao , Tan, Xiaolan . The creative class in China: Heterogeneity and its regional determinants . | MANAGERIAL AND DECISION ECONOMICS , 2022 , 43 (8) , 3466-3478 . |
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Air pollution in China has become a matter of increasing public concern. In this paper, we attempted to build a theoretical model to explore the impact of the dynamics of agglomeration externalities on haze pollution in urban China, where agglomeration is differentiated by regional specialization and geographical concentration. Based on China's panel data for 289 cities during the period of 1998-2018, the empirical result shows that the relationship between industrial agglomeration and urban haze pollution is not simply linear or of an inversed U-type but turns out to be dynamically N-shaped. To be specific, the increase in local haze pollution can be explained by agglomeration externalities in the beginning stage, whereas the reducing effect only occurs during the mature stage. The heterogeneity test indicated that the effect of the type of agglomeration on haze pollution seems to be mixed in different groups of cities, but is still consistent with the hypothesis of the dynamic change of agglomeration externalities. The results are found to be quite robust and consistent after replacing variables and using other regression methods. This paper provides answers to the question of how to coordinate the relationship between developing industry parks and air pollution in terms of the life cycle of agglomeration as well as the types of city.
Keyword ：
haze pollution haze pollution industrial agglomeration industrial agglomeration life cycle life cycle urban China urban China
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| GB/T 7714 | Tan, Xiaolan , Yu, Wentao , Wu, Shiwei . The Impact of the Dynamics of Agglomeration Externalities on Air Pollution: Evidence from Urban Panel Data in China [J]. | SUSTAINABILITY , 2022 , 14 (1) . |
| MLA | Tan, Xiaolan et al. "The Impact of the Dynamics of Agglomeration Externalities on Air Pollution: Evidence from Urban Panel Data in China" . | SUSTAINABILITY 14 . 1 (2022) . |
| APA | Tan, Xiaolan , Yu, Wentao , Wu, Shiwei . The Impact of the Dynamics of Agglomeration Externalities on Air Pollution: Evidence from Urban Panel Data in China . | SUSTAINABILITY , 2022 , 14 (1) . |
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[目的/意义]人口与经济集聚是中国经济转向高质量发展的推动力,而生态环境作为高质量发展重要组成部分,如何协调好集聚与环境是实现可持续发展的关键.[设计/方法]基于扩展的生产密度函数,利用中国1998～2018年289个地级市面板数据,结合空间经济学相关理论,从一线城市、二三四线城市与五线城市视角考察人口与经济集聚对雾霾污染影响.[结论/发现]人口与经济集聚对雾霾污染影响呈N型曲线关系,说明城市化与工业化推进对雾霾污染呈现先促增后促减,当超过地区土地、环境与资源承载力时,会加剧雾霾污染.进一步考察发现,中等城市人口与经济集聚对雾霾污染影响呈倒U型曲线,而超大城市集聚对雾霾污染影响表现为正相关性.稳健性检验结果进一步验证上述结论.基于此,在发挥集聚规模经济效应促进高质量发展的同时,要注意地区环境承载力,且雾霾污染治理应以区域联治为主.
Keyword ：
N型曲线 N型曲线 人口集聚 人口集聚 空间溢出效应 空间溢出效应 经济集聚 经济集聚 雾霾污染 雾霾污染
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| GB/T 7714 | 吴士炜 , 余文涛 . 人口与经济集聚对雾霾污染影响研究 ——基于空间面板模型的实证检验 [J]. | 电子科技大学学报（社会科学版） , 2022 , 24 (2) : 57-69 . |
| MLA | 吴士炜 et al. "人口与经济集聚对雾霾污染影响研究 ——基于空间面板模型的实证检验" . | 电子科技大学学报（社会科学版） 24 . 2 (2022) : 57-69 . |
| APA | 吴士炜 , 余文涛 . 人口与经济集聚对雾霾污染影响研究 ——基于空间面板模型的实证检验 . | 电子科技大学学报（社会科学版） , 2022 , 24 (2) , 57-69 . |
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Abstract ：
【目的/意义】人口与经济集聚是中国经济转向高质量发展的推动力，而生态环境作为高质量发展重要组成部分，如何协调好集聚与环境是实现可持续发展的关键。【设计/方法】基于扩展的生产密度函数，利用中国1998～2018年289个地级市面板数据，结合空间经济学相关理论，从一线城市、二三四线城市与五线城市视角考察人口与经济集聚对雾霾污染影响。【结论/发现】人口与经济集聚对雾霾污染影响呈N型曲线关系，说明城市化与工业化推进对雾霾污染呈现先促增后促减，当超过地区土地、环境与资源承载力时，会加剧雾霾污染。进一步考察发现，中等城市人口与经济集聚对雾霾污染影响呈倒U型曲线，而超大城市集聚对雾霾污染影响表现为正相关性。...
Keyword ：
N型曲线 N型曲线 人口集聚 人口集聚 空间溢出效应 空间溢出效应 经济集聚 经济集聚 雾霾污染 雾霾污染
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| GB/T 7714 | 吴士炜 , 余文涛 . 人口与经济集聚对雾霾污染影响研究——基于空间面板模型的实证检验 [J]. | 电子科技大学学报(社科版) , 2022 , 24 (02) : 57-69 . |
| MLA | 吴士炜 et al. "人口与经济集聚对雾霾污染影响研究——基于空间面板模型的实证检验" . | 电子科技大学学报(社科版) 24 . 02 (2022) : 57-69 . |
| APA | 吴士炜 , 余文涛 . 人口与经济集聚对雾霾污染影响研究——基于空间面板模型的实证检验 . | 电子科技大学学报(社科版) , 2022 , 24 (02) , 57-69 . |
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在平台经济生态背景下,制造业企业的生产和经营方式呈现出向数字化、网络化、智能化转型发展.本文采用121家A股制造业上市公司2015?2019年的面板数据,实证考察了制造业企业电商平台应用对企业绩效的影响及作用机理.研究发现,电商平台应用显著提升了制造业企业绩效.机制分析发现,电商平台应用有利于促进制造业企业产销规模扩大,在规模经济带动下,企业绩效水平得到了显著提升,但是,其技术创新的影响机制却缺乏显著性.究其原因可能在于:平台经济增强了制造业全行业的竞争效应和匹配效应,为此,制造业企业开始寻求低成本的规模扩张之路,但是却忽视了或无暇顾及具有远期战略意义的技术创新.在使用替换变量法和工具变量法后,上述实证结果仍然是稳健的.本研究对于平台经济生态下如何激励制造业企业转型发展具有启发意义.
Keyword ：
制造业企业 制造业企业 平台经济 平台经济 技术创新 技术创新 规模经济 规模经济
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| GB/T 7714 | 余文涛 , 杜博涵 . 平台经济生态下制造业企业的生存之道 ——规模扩张抑或技术创新 [J]. | 产业经济评论 , 2022 , (6) : 19-36 . |
| MLA | 余文涛 et al. "平台经济生态下制造业企业的生存之道 ——规模扩张抑或技术创新" . | 产业经济评论 6 (2022) : 19-36 . |
| APA | 余文涛 , 杜博涵 . 平台经济生态下制造业企业的生存之道 ——规模扩张抑或技术创新 . | 产业经济评论 , 2022 , (6) , 19-36 . |
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针对带有惯性阻尼环节的工业位置伺服系统,设计了一种能实现大范围快速定点运动的控制器.控制器根据系统速度的大小,在时间最优控制律与线性控制律之间进行平滑切换.采用线性控制的闭环极点阻尼系数和自然频率作为可调参数,设计了近似时间最优伺服控制律;为了对速度(未量测)和未知负载扰动进行估计,设计了一个能实现动态增益的非线性扩展状态观测器.此控制器被用于一个永磁同步电机位置伺服系统,进行了MATLAB仿真,以及基于TMS320 F28335 DSC的实验测试,结果显示伺服系统在空载、半载和满载三种未知扰动情况下都能对给定的目标位置进行准确的跟踪,且超调量低于2％,具有理想的控制性能.这个设计可用于工业伺服传动系统的高性能位置调节.
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| GB/T 7714 | 郑子超 , 余文涛 , 程国扬 . 工业伺服系统大范围位置控制器的设计与验证 [J]. | 组合机床与自动化加工技术 , 2021 , (6) : 86-89 . |
| MLA | 郑子超 et al. "工业伺服系统大范围位置控制器的设计与验证" . | 组合机床与自动化加工技术 6 (2021) : 86-89 . |
| APA | 郑子超 , 余文涛 , 程国扬 . 工业伺服系统大范围位置控制器的设计与验证 . | 组合机床与自动化加工技术 , 2021 , (6) , 86-89 . |
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