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学者姓名:王诗桪
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Big technology companies have undeniably left an indelible mark on society, shaping it with their groundbreaking products and services. However, concerns have arisen regarding their market dominance and the potential stifling of competition and innovation, resulting in the formation of ominous "kill zones." As a response to these concerns, regulatory scrutiny has intensified. To contribute to a better understanding of this issue, this paper introduces a distinctive dataset encompassing the years from 2010 to 2018, drawing from the Chinese equity investment market. We conduct an empirical analysis to examine the impact of corporate venture capital investments made by tech giants on the innovation of the recipient firms. Our results unveil a positive and notable influence of these investments on innovation, particularly in the domain of substantial innovations such as invention patents. Additionally, we delve into the underlying mechanisms propelling this effect, identifying that the innovation incentives of tech behemoths primarily stem from the infusion of financial resources, technological synergies, and a wealth of diversified knowledge accrued through joint investments. These findings bear significant implications for policymakers and regulators who must delicately balance the scales of competition and innovation within the technology sector.
Keyword :
Big tech Big tech competition competition Corporateventure capital Corporateventure capital Innovation Innovation Regular Scrutiny Regular Scrutiny
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GB/T 7714 | Gao, Tingfan , Wang, Shixun , Chen, Baizhu et al. The impact of big tech corporate venture capital investments on innovation: Evidence from the equity investment market [J]. | CHINA ECONOMIC REVIEW , 2024 , 83 . |
MLA | Gao, Tingfan et al. "The impact of big tech corporate venture capital investments on innovation: Evidence from the equity investment market" . | CHINA ECONOMIC REVIEW 83 (2024) . |
APA | Gao, Tingfan , Wang, Shixun , Chen, Baizhu , Yang, Lihong . The impact of big tech corporate venture capital investments on innovation: Evidence from the equity investment market . | CHINA ECONOMIC REVIEW , 2024 , 83 . |
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大科技平台是产业创新和经济增长的重要引擎。股权投资已经成为了大科技平台对外扩张的重要方式之一,其对创新的影响在全球范围内引发了广泛争议。大科技平台的股权投资究竟是激励了产业创新、还是建立了“创新封杀区”?本文基于2005~2021年创业投资与专利申请的独特数据集,利用超过11万条观测值样本进行了实证检验。研究发现:大科技平台的创投显著提升了被投资企业的创新水平,特别是以发明专利为代表的实质性创新。这一提升来自大科技平台创投后的支持,而不能完全归因大科技平台事前的投资策略选择。支持方式包括财务资源、技术协同、数字生态带来的多样化知识等。本文基于大规模微观证据揭示了大科技创投的创新效应,实证检验了当前学界与政策实践者广泛争议的“创新封杀区”。研究结论为我国规范大科技平台与数字经济竞争策略、引导平台资本健康发展提供了事实依据和经验启示。
Keyword :
产业生态 产业生态 公司创投 公司创投 创新 创新 大科技平台 大科技平台
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GB/T 7714 | 王诗桪 , 高廷帆 , 杨利宏 . 创新激励还是创新封杀?——基于大科技平台股权投资市场的微观证据 [J]. | 管理世界 , 2023 , 39 (09) : 176-197 . |
MLA | 王诗桪 et al. "创新激励还是创新封杀?——基于大科技平台股权投资市场的微观证据" . | 管理世界 39 . 09 (2023) : 176-197 . |
APA | 王诗桪 , 高廷帆 , 杨利宏 . 创新激励还是创新封杀?——基于大科技平台股权投资市场的微观证据 . | 管理世界 , 2023 , 39 (09) , 176-197 . |
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加密经济学作为一个新兴交叉研究领域,综合运用了经济学、密码学、计算机科学等多学科理论,主要研究如何在分布式系统中形成共识。本文在总结梳理加密经济学的学科属性、理论渊源的基础上,对加密经济学的研究对象、发展演进、应用场景等进行了梳理。首先,本文通过回顾“拜占庭将军问题”介绍了加密经济学的起源,并阐述了加密经济学的研究对象、理论基础和学科属性。然后,本文梳理了加密经济学在共识算法、激励机制、智能合约等方面的发展演进。最后,本文总结了加密经济学在分布式系统的去中心化特征、安全性特征、可拓展性特征等方面的应用研究,并对加密经济学的未来研究进行了展望。
Keyword :
共识机制 共识机制 加密经济学 加密经济学 工作量证明 工作量证明 权益证明 权益证明
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GB/T 7714 | 冯碧梅 , 王诗桪 , 张继钦 . 加密经济学研究进展 [J]. | 经济学动态 , 2023 , 16 (11) : 125-140 . |
MLA | 冯碧梅 et al. "加密经济学研究进展" . | 经济学动态 16 . 11 (2023) : 125-140 . |
APA | 冯碧梅 , 王诗桪 , 张继钦 . 加密经济学研究进展 . | 经济学动态 , 2023 , 16 (11) , 125-140 . |
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大科技平台是产业创新和经济增长的重要引擎.股权投资已经成为了大科技平台对外扩张的重要方式之一,其对创新的影响在全球范围内引发了广泛争议.大科技平台的股权投资究竟是激励了产业创新、还是建立了"创新封杀区"?本文基于2005~2021年创业投资与专利申请的独特数据集,利用超过11万条观测值样本进行了实证检验.研究发现:大科技平台的创投显著提升了被投资企业的创新水平,特别是以发明专利为代表的实质性创新.这一提升来自大科技平台创投后的支持,而不能完全归因大科技平台事前的投资策略选择.支持方式包括财务资源、技术协同、数字生态带来的多样化知识等.本文基于大规模微观证据揭示了大科技创投的创新效应,实证检验了当前学界与政策实践者广泛争议的"创新封杀区".研究结论为我国规范大科技平台与数字经济竞争策略、引导平台资本健康发展提供了事实依据和经验启示.
Keyword :
产业生态 产业生态 公司创投 公司创投 创新 创新 大科技平台 大科技平台
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GB/T 7714 | 王诗桪 , 高廷帆 , 杨利宏 . 创新激励还是创新封杀? [J]. | 管理世界 , 2023 , 39 (9) : 176-190,中插18-中插23 . |
MLA | 王诗桪 et al. "创新激励还是创新封杀?" . | 管理世界 39 . 9 (2023) : 176-190,中插18-中插23 . |
APA | 王诗桪 , 高廷帆 , 杨利宏 . 创新激励还是创新封杀? . | 管理世界 , 2023 , 39 (9) , 176-190,中插18-中插23 . |
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流通时间在流通问题的研究中居于关键地位,但相关研究多年来存在理论基础与实证方法相对割裂的问题。因此,本文在对马克思主义经济学流通理论和概念进行梳理、整合和扩展的基础上,从资本循环理论视角对流通时间的理论模型和测算方法进行研究。据此,本文使用面板数据对流通时间进行试算,发现我国的流通时间整体而言平稳中略有上升,但在不同区域的发展趋势不相同;初步验证了资本周转率、批发业和运输条件的发展有助于缩短流通时间。最后,本文还比较了流通时间与产销率、储蓄率等相近概念的异同,并讨论了不同计算方法的优势与不足。
Keyword :
可计量模型 可计量模型 流通时间 流通时间 资本循环 资本循环
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GB/T 7714 | 裴宏 , 王诗桪 . 马克思流通时间的理论、模型和测算方法:资本循环视角 [J]. | 经济学动态 , 2022 , 21 (01) : 58-78 . |
MLA | 裴宏 et al. "马克思流通时间的理论、模型和测算方法:资本循环视角" . | 经济学动态 21 . 01 (2022) : 58-78 . |
APA | 裴宏 , 王诗桪 . 马克思流通时间的理论、模型和测算方法:资本循环视角 . | 经济学动态 , 2022 , 21 (01) , 58-78 . |
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We provide a network game to analyze the innovation network structure by incorporating endogenous R&D spillovers and diffusion effects, reconciling the limited types of innovation alliance in practice. In our network model, enterprises can actively choose to invest in R&D or establish links with others to absorb R&D spillovers. We characterize the network structure of enterprises' strategic R&D decisions in different types of spatial equilibrium. We further extend the theoretical framework to generate industry-specific implications under cooperative R&D, location choice, spatial agglomeration, and social capital allocation in innovation networks.
Keyword :
D D Diffusion Diffusion Innovation networks Innovation networks Spatial equilibrium Spatial equilibrium Spillover Spillover Strategic R& Strategic R&
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GB/T 7714 | Wang, Shixun , Yang, Lihong . Spatial competition, strategic R&D and the structure of innovation networks [J]. | JOURNAL OF BUSINESS RESEARCH , 2022 , 139 : 13-31 . |
MLA | Wang, Shixun et al. "Spatial competition, strategic R&D and the structure of innovation networks" . | JOURNAL OF BUSINESS RESEARCH 139 (2022) : 13-31 . |
APA | Wang, Shixun , Yang, Lihong . Spatial competition, strategic R&D and the structure of innovation networks . | JOURNAL OF BUSINESS RESEARCH , 2022 , 139 , 13-31 . |
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国有流通企业是中国特色流通体系微观基础的重要分支,在“放管服”改革背景下,也是政府治理的“特殊的市场之手”。从政府流通治理视角出发,国有企业既需要在充分竞争中不断提升微观效率以实现盈利和市场占有的市场性目标,又需要通过承担调配货物、应急储备等宏观职能来实现供给保障的公共性目标,从而具有“提效”与“保供”的双重功能定位。结合理论分析和企业实践,本文剖析了国有流通企业“提效保供”的理论逻辑与现实路径,并由此提出政府借助国有企业提升流通治理能力的相关启示和政策建议。
Keyword :
国有流通企业 国有流通企业 提效保供 提效保供 政府治理 政府治理
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GB/T 7714 | 王晓东 , 许雅琳 , 王诗桪 . 政府治理视角下的国有流通企业:功能定位及其逻辑 [J]. | 中国行政管理 , 2022 , 7 (05) : 66-72 . |
MLA | 王晓东 et al. "政府治理视角下的国有流通企业:功能定位及其逻辑" . | 中国行政管理 7 . 05 (2022) : 66-72 . |
APA | 王晓东 , 许雅琳 , 王诗桪 . 政府治理视角下的国有流通企业:功能定位及其逻辑 . | 中国行政管理 , 2022 , 7 (05) , 66-72 . |
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We develop a model of R&D networks in which firms can choose to invest in R&D or to establish network links with other firms to absorb R&D spillovers in innovation networks. We characterize the network structure of firms' strategic R&D decisions in different types of spatial equilibrium. We further extend the theoretical framework to address empirical implications for the industry structure under cooperative R&D, firms' location choice, spatial agglomeration, and social capital allocation.
Keyword :
Diffusion Diffusion Equilibrium Equilibrium Innovation networks Innovation networks Spillover Spillover Strategic R&D Strategic R&D
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GB/T 7714 | Wang, Shixun , Yang, Lihong . The Network Structure of Innovation Networks [J]. | NETWORKS & SPATIAL ECONOMICS , 2022 , 22 (1) : 65-96 . |
MLA | Wang, Shixun et al. "The Network Structure of Innovation Networks" . | NETWORKS & SPATIAL ECONOMICS 22 . 1 (2022) : 65-96 . |
APA | Wang, Shixun , Yang, Lihong . The Network Structure of Innovation Networks . | NETWORKS & SPATIAL ECONOMICS , 2022 , 22 (1) , 65-96 . |
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The rise of fintech in the past decade has received growing scholarly attention. Does the application of fintech promote innovation efficiency at the regional level? Will fintech heterogeneously affect a different stage of innovation? Motivated by these questions, this paper studies the impact of fintech on innovation efficiency and the spatial spillover effects of fintech by using regional-level data on China. We employ a two-stage DEA method to evaluate the innovation efficiency, namely, the R&D efficiency and launching efficiency, of different innovation processes. We conduct an empirical test by using the spatial Durbin model in combination with the fintech development index. The results suggest that fintech promotes overall innovation efficiency and launching efficiency but less affects R&D efficiency. Fintech also exhibits adverse spatial spillover effects on the surrounding regions in the launching stage. We further studied the effects of the breadth and depth of fintech on innovation and the impacts on different types of patents. The results show a heterogeneous impact of fintech, which generates regional development policy implications in the digital era.
Keyword :
Diffusion Diffusion Fintech Fintech Innovation efficiency Innovation efficiency R&D R&D Spillover Spillover
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GB/T 7714 | Yang, Lihong , Wang, Shixun . Do fintech applications promote regional innovation efficiency? Empirical evidence from China [J]. | SOCIO-ECONOMIC PLANNING SCIENCES , 2022 , 83 . |
MLA | Yang, Lihong et al. "Do fintech applications promote regional innovation efficiency? Empirical evidence from China" . | SOCIO-ECONOMIC PLANNING SCIENCES 83 (2022) . |
APA | Yang, Lihong , Wang, Shixun . Do fintech applications promote regional innovation efficiency? Empirical evidence from China . | SOCIO-ECONOMIC PLANNING SCIENCES , 2022 , 83 . |
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流通是资本循环运动中商品交换关系的集中领域,也是诱发资本主义经济危机的敏感领域。本文从马克思主义政治经济学出发,结合流通经济理论和中国实际,分析了国有资本和流通效率的关系,并提出了国有资本贡献于流通效率的两种可能路径。基于流通业上市企业微观数据的经验研究发现,国有资本对流通效率的正向影响主要表现在以纯粹流通过程为主的批发、零售领域,通过流通费用机制和商业资本机制两种路径实现,国家作为不同股东身份时,国有资本对流通效率的影响存在差异。本文为更好发挥国有资本在流通经济领域的作用提供了研究启示。
Keyword :
商业资本 商业资本 国有资本 国有资本 流通效率 流通效率 生产性流通费用 生产性流通费用 纯粹流通费用 纯粹流通费用
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GB/T 7714 | 谢莉娟 , 万长松 , 王诗桪 . 国有资本与流通效率:政治经济学视角的中国经验 [J]. | 世界经济 , 2021 , 44 (04) : 3-29 . |
MLA | 谢莉娟 et al. "国有资本与流通效率:政治经济学视角的中国经验" . | 世界经济 44 . 04 (2021) : 3-29 . |
APA | 谢莉娟 , 万长松 , 王诗桪 . 国有资本与流通效率:政治经济学视角的中国经验 . | 世界经济 , 2021 , 44 (04) , 3-29 . |
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