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Audiovisual pesticide label: A digital expert to promote accurate pesticide use 视听农药标签:数字化专家,促进农药精准使用
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2026-01-01 Epub Date: 2025-11-20 DOI: 10.1016/j.chieco.2025.102600
Juhui Chen , Junfei Bai , Xi Lu , Yinghui Ma , Meng Zhou
Text-based pesticide labels have been widely proven to be dysfunctional in guiding and educating farmers on the proper use of pesticides in many developing countries. The existing studies, however, fail to explore more economically effective approaches for activating label information content. In this study, through a well-designed lab-in-the-field experiment, we propose and empirically verify that an audiovisual label affixed with a QR code encoded with a pesticide operation video can significantly reduce the overuse of pesticides by approximately 15% on average and improve dosage accuracy. Audiovisual labels not only decrease pesticide use among farmers already using labels but also encourage more farmers to follow label instructions, broadening the reduction in pesticide usage. The stronger effects are observed among farmers who distrust retailers but trust labels, as well as among those with relatively higher levels of education, suggesting that trust and education jointly shape the effectiveness of audiovisual labels.
在许多发展中国家,以文字为基础的农药标签已被广泛证明在指导和教育农民正确使用农药方面功能失调。然而,现有的研究未能探索更经济有效的激活标签信息内容的方法。在本研究中,我们通过精心设计的实验室现场实验,提出并实证验证了贴有农药操作视频编码的二维码的视听标签可以显著减少农药的过度使用,平均减少约15%,提高剂量准确性。视听标签不仅减少了已经使用标签的农民的农药使用,而且还鼓励更多的农民遵循标签说明,扩大减少农药使用的范围。在不信任零售商但信任标签的农民中,以及受教育程度相对较高的农民中,观察到更强的影响,这表明信任和教育共同塑造了视听标签的有效性。
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引用次数: 0
Transnational digital infrastructure and scientific collaboration: Evidence from the Asia Africa Europe-1 (AAE-1) submarine cable 跨国数字基础设施和科学合作:来自亚非欧-1 (AAE-1)海底电缆的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2026-01-01 Epub Date: 2025-11-20 DOI: 10.1016/j.chieco.2025.102603
Han Li , Yuan Gao
This paper examines the impact of transnational digital infrastructure on international scientific collaboration. Based on data of Chinese researchers' collaborative papers from 2010 to 2023, we analyzed the impact of the operation of Asia-Africa-Europe-1 (AAE-1) submarine cable on research partnerships between China and the connected countries. The findings show that the AAE-1 cable has significantly boosted collaborative research activities. It not only facilitated the establishment of novel scientific collaborations but also enhanced the productivity of existing partnerships. Additionally, the enhanced connectivity led to an expansion in the size of research teams and a measurable increase in the citation impact of collaborative publications. The effects on collaboration were most pronounced for universities, collaborations in technology-related fields, and countries with historically lower publication outputs and less international bandwidth. These results highlight the pivotal role of high-quality digital infrastructure in fostering global scientific collaboration, especially in integrating developing countries and peripheral research communities into the global scientific ecosystem.
本文探讨了跨国数字基础设施对国际科学合作的影响。基于2010 - 2023年中国科研人员合作论文数据,分析了AAE-1海缆运营对中国与相关国家科研伙伴关系的影响。研究结果表明,AAE-1电缆显著促进了合作研究活动。它不仅促进了新的科学合作的建立,而且还提高了现有伙伴关系的生产力。此外,互联互通的增强导致了研究团队规模的扩大,并显著提高了合作出版物的引用影响。对合作的影响对大学、技术相关领域的合作以及历史上出版产出较低和国际带宽较少的国家最为明显。这些结果突出了高质量数字基础设施在促进全球科学合作方面的关键作用,特别是在将发展中国家和外围研究社区纳入全球科学生态系统方面。
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引用次数: 0
The impact of environmental concern on cross-regional investment: Evidence from Chinese new energy enterprises 环境关注对跨区域投资的影响:来自中国新能源企业的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2026-01-01 Epub Date: 2025-12-25 DOI: 10.1016/j.chieco.2025.102647
Qilin Mao , Chongyang Guo
To achieve carbon peaking and carbon neutrality goals, local governments in China are actively exploring sustainable economic growth models. Utilizing data from China's A-share listed companies in the new energy vehicle industry chain and local government work reports, we demonstrate that the difference in government environmental concern (GEC) between the parent firm city and the destination city significantly drives new energy enterprises (NEEs) to establish off-site subsidiaries. This effect operates through transcending administrative barriers, transmitting policy signals, and stimulating firms' strategic expansion. Further analysis reveals that the investment location choices of midstream and downstream NEEs are significantly influenced by the difference in GEC, whereas the investment decisions of upstream NEEs are not. Unlike previous studies that focus on the relationship between the location of highly polluting firms and pollution transfer, this paper specializes in NEEs and explores how environmental concern facilitates the high-quality development of emerging industries.
为了实现碳峰值和碳中和目标,中国地方政府正在积极探索可持续的经济增长模式。利用中国a股上市公司新能源汽车产业链数据和地方政府工作报告数据,我们发现母公司城市和目的地城市的政府环境关注(GEC)差异显著地推动了新能源企业(NEEs)建立异地子公司。这种效应通过超越行政壁垒、传递政策信号、刺激企业战略扩张等途径发挥作用。进一步分析发现,中下游新能源企业的投资区位选择受到环境承载力差异的显著影响,而上游新能源企业的投资区位选择不受环境承载力差异的影响。与以往研究关注高污染企业选址与污染转移之间的关系不同,本文专门研究新能源产业,探讨环境关注如何促进新兴产业的高质量发展。
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引用次数: 0
The lifespan of small and medium-sized enterprises in China: Stylized facts and influencing factors 中国中小企业的寿命:程式化事实与影响因素
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2026-01-01 Epub Date: 2025-12-18 DOI: 10.1016/j.chieco.2025.102637
Songrui Liu , Xiaokun Yu , Wenkang Zhang , Zhongwen Zhang
Small and medium-sized enterprises (SMEs) are crucial to China's economic development and the lifespan of SMEs matters both for entrepreneurs and policy makers. The Business Registry Database (BRD), China's most comprehensive firm-level administrative dataset, offers unique opportunities for analysis but lacks variables required by the official SME definition. We address this gap by introducing a new classification standard based on registered capital, setting the SME threshold at less than 32 million yuan—the first such approach in the literature. Using this definition, we examine firms registered between 2001 and 2013 and estimate SME's lifespan via the Kaplan–Meier method. Median lifespan is 10.67 years across all SMEs and 5.03 years among exited firms, providing the first large-scale benchmark for China. We then provide a comprehensive analysis of both regional and firm-level determinants of SME exit. Favorable regional environments significantly reduce exit risks, while firm-level characteristics—particularly smaller scale and state ownership—remain key sources of vulnerability. Our findings underscore the importance of both institutional and structural conditions in shaping firm survival. By establishing a workable SME definition for the BRD and identifying key regional and firm-level drivers of exit, this study provides a new empirical basis for research on China's private sector dynamics. Policy implications point to the need for a balanced approach: while market forces can spur competition, regional development policies and institutional support are critical for sustaining SME growth and longevity.
中小企业对中国的经济发展至关重要,中小企业的寿命对企业家和政策制定者都至关重要。商业登记数据库(BRD)是中国最全面的企业管理数据集,为分析提供了独特的机会,但缺乏官方中小企业定义所需的变量。为了解决这一差距,我们引入了一种新的基于注册资本的分类标准,将中小企业的门槛设定在3200万元以下,这是文献中首次采用这种方法。利用这一定义,我们研究了2001年至2013年间注册的公司,并通过Kaplan-Meier方法估计了中小企业的寿命。所有中小企业的平均寿命为10.67年,退出企业的平均寿命为5.03年,这为中国提供了第一个大规模的基准。然后,我们对中小企业退出的区域和企业层面的决定因素进行了全面分析。有利的区域环境显著降低了退出风险,而企业层面的特点——尤其是规模较小和国有企业——仍然是脆弱性的主要来源。我们的研究结果强调了制度和结构条件对塑造企业生存的重要性。通过为BRD建立一个可行的中小企业定义,并确定关键的区域和企业层面的退出驱动因素,本研究为中国私营部门动态研究提供了新的实证基础。政策影响表明需要采取一种平衡的办法:虽然市场力量可以刺激竞争,但区域发展政策和体制支持对于维持中小企业的增长和寿命至关重要。
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引用次数: 0
Spillover effects of fertility on married women's employment: Evidence from China 生育率对已婚妇女就业的溢出效应:来自中国的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2026-01-01 Epub Date: 2025-12-18 DOI: 10.1016/j.chieco.2025.102640
Chang Hong Li , Min Qiang Zhao
This paper investigates the spillover effects of fertility policy on employment, a largely unexplored area in the literature. Using China's 2013 selective two-child policy as a quasi-natural experiment and a difference-in-differences approach with census data, we find that the policy significantly increased the employment probability of all women, not just those directly eligible. This employment effect was stronger in regions with a higher proportion of eligible couples. Furthermore, the positive employment impact extended to unmarried women and men. We identify two key mechanisms: (1) an employment spillover, where the policy-induced increase in births spurred net entry of firms in fertility-related sectors, and (2) a fertility spillover, where peer effects appeared to amplify the initial birth shock among the broader population. Our findings demonstrate that fertility policies can have substantial indirect effects on the broader labor market, moving beyond the traditionally studied direct impact on mothers.
本文研究了生育政策对就业的溢出效应,这是文献中一个很大程度上未被探索的领域。我们将2013年中国的选择性二孩政策作为准自然实验,并结合人口普查数据,采用差异中的差异方法,发现该政策显著提高了所有女性的就业概率,而不仅仅是那些直接符合条件的女性。在符合条件的夫妻比例较高的地区,这种就业效应更强。此外,积极的就业影响扩大到未婚男女。我们确定了两个关键机制:(1)就业溢出效应,即政策导致的出生率增加刺激了与生育相关部门的企业净进入;(2)生育溢出效应,即同伴效应似乎放大了更广泛人口中最初的生育冲击。我们的研究结果表明,生育政策可以对更广泛的劳动力市场产生实质性的间接影响,超越传统研究对母亲的直接影响。
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引用次数: 0
Equity diversification as a catalyst for Artificial Intelligence innovation: Evidence from Chinese state-owned enterprises 股权多元化是人工智能创新的催化剂:来自中国国有企业的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-12-01 Epub Date: 2025-07-30 DOI: 10.1016/j.chieco.2025.102519
Zhi Su, Chen Zhao, Ying Li, Zhimeng Sun
China’s newly revised Company Law (2024) expands the regulatory scope in Chapter 7 from solely state-owned to all state-funded enterprises and aims to optimize their governance through various measures. This shapes the reform trajectory of equity structures in State-Owned Enterprises (SOEs), offering SOEs—typically viewed as weaker innovators—an opportunity to keep pace in the era of Artificial Intelligence (AI). Against this backdrop, we investigate the role of equity diversification in shaping SOEs’ AI innovation performance. Using the patent and equity structure data of Chinese listed SOEs during 2007–2023, we find that a 1% increase in equity diversification is associated with a 0.05% boost in AI patent applications filed by SOEs in the next year. This positive effect is achieved through: (i) reducing managerial short-termism and encouraging long-term strategic investments, (ii) directing managerial attention to emerging technologies like AI, and (iii) facilitating external learning and improving innovation efficiency. SOEs in the growth or maturity stage, operating in high-tech or competitive industries, and characterized by financial adequacy and commercial orientations benefit more from equity diversification. Additionally, this benefit is limited to AI innovation output, without affecting its quality or traditional innovation.
中国新修订的《公司法(2024)》将第七章的监管范围从国有独资企业扩大到所有国有企业,旨在通过各种措施优化国有企业的治理。这塑造了国有企业股权结构的改革轨迹,为通常被视为较弱创新者的国有企业提供了在人工智能(AI)时代跟上步伐的机会。在此背景下,我们研究了股权多元化对国有企业人工智能创新绩效的影响。利用2007-2023年中国上市国有企业的专利和股权结构数据,我们发现,股权多元化每增加1%,次年国有企业提交的人工智能专利申请量就会增加0.05%。这种积极影响是通过以下方式实现的:(i)减少管理层的短期主义并鼓励长期战略投资,(ii)引导管理层关注人工智能等新兴技术,以及(iii)促进外部学习并提高创新效率。处于成长期或成熟期、从事高新技术或竞争性产业、财务充足和商业导向的国有企业更有利于股权多元化。此外,这种好处仅限于人工智能创新产出,而不会影响其质量或传统创新。
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引用次数: 0
Founder control and breakthrough innovation: Evidence from high-tech firms in China 创始人控制与突破性创新:来自中国高科技企业的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-12-01 Epub Date: 2025-10-11 DOI: 10.1016/j.chieco.2025.102572
Zi-Qi Zhang , Bao-Jun Tang , Zhi Su , Yongji Zhang
We examine the effect of founder control on breakthrough innovation among Chinese high-tech firms from 2008 to 2022. We measure founder control by the equity held by founders actively involved in governance and identify breakthrough innovation with Sentence-BERT (SBERT) embeddings of patent texts. We find a strong positive association between founder control and future breakthrough innovation. Using unexpected founder departures as an instrument, our identification strategy establishes a robust causal relationship. The underlying mechanisms include talent investment, internal discipline, strategic reorientation, and technological resilience. The effect is heterogeneous across founding team's size, internal structure, attributes, and tenure. Our results support a structural view of founder governance where concentrated control serves as an engine for corporate innovation.
本文研究了2008 - 2022年中国高新技术企业创始人控制权对突破性创新的影响。我们通过积极参与治理的创始人所持有的股权来衡量创始人的控制权,并通过专利文本的句子bert (SBERT)嵌入来识别突破性创新。我们发现,创始人控制权与未来突破性创新之间存在强烈的正相关关系。使用意想不到的创始人离开作为工具,我们的识别策略建立了一个强大的因果关系。其基本机制包括人才投入、内部纪律、战略重新定位和技术弹性。这种影响因创始团队的规模、内部结构、属性和任期而异。我们的研究结果支持创始人治理的结构性观点,其中集中控制是公司创新的引擎。
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引用次数: 0
Long-term direct and spillover effects of early childhood immunization 儿童早期免疫接种的长期直接和溢出效应
IF 5.2 1区 经济学 Q1 ECONOMICS Pub Date : 2025-12-01 Epub Date: 2025-07-19 DOI: 10.1016/j.chieco.2025.102509
Yongming Luo, Liqiu Zhao
This paper investigates the long-term direct and spillover effects of an early childhood immunization program. By exploiting quasi-experimental variation from a national immunization program targeting children under the age of one in China, we apply a difference-in-differences approach to estimate its long-term impact. Using data from the China Family Panel Studies, we find significant long-term health benefits among children born during or after the program's implementation. Moreover, we observe educational spillover benefits for older siblings of age-eligible children, particularly when the older siblings are male or were younger at the time of the eligible child's birth. These spillover effects diminish as the number of siblings in the household increases. Our findings suggest that the presence of an age-eligible child influences their siblings' outcomes, in part, through intrahousehold resource allocation.
本文调查了儿童早期免疫规划的长期直接和溢出效应。通过利用中国针对1岁以下儿童的国家免疫规划的准实验差异,我们采用差异中的差异方法来评估其长期影响。根据中国家庭小组研究的数据,我们发现在该计划实施期间或之后出生的儿童长期健康受益显著。此外,我们观察到适龄儿童的哥哥姐姐的教育溢出效益,特别是当哥哥姐姐是男性或在适龄儿童出生时年龄更小时。这些溢出效应随着家庭中兄弟姐妹数量的增加而减弱。我们的研究结果表明,年龄合适的孩子的存在会影响其兄弟姐妹的结果,部分是通过家庭内部资源分配。
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引用次数: 0
Inside job, Chinese style: Suspicious use of public funds under fiscal pressure 中国风格的内奸:在财政压力下可疑地使用公共资金
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-12-01 Epub Date: 2025-08-08 DOI: 10.1016/j.chieco.2025.102532
Qun Bao , Rui Huang , Guoqin Pan , Laixun Zhao
Governments usually increase taxes or cut spending to tackle deficits. In contrast, local governments in China tend to increase suspicious uses of public funds under fiscal pressure, which is not well understood. Using the reduction of agricultural tax as a revenue shock, we find that greater fiscal pressure leads to higher questionable fund use by county governments. The suspicious activities are triggered by the motivation to reallocate resources, to fields that correlate with officials' own interests like stimulating local economic growth, pursuing personal promotion as well as grabbing resources before retirement.
政府通常会增加税收或削减开支来解决赤字问题。相比之下,中国地方政府在财政压力下往往会增加对公共资金的可疑使用,这一点尚不清楚。将农业税下调作为收入冲击,我们发现更大的财政压力导致县政府更多的可疑资金使用。引发这些可疑行为的动机是将资源重新分配到与官员自身利益相关的领域,如刺激地方经济增长、追求个人晋升以及在退休前攫取资源。
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引用次数: 0
Limited liability, piercing the corporate veil and pollution abatement: Evidence from China 有限责任、揭开企业面纱和减少污染:来自中国的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-12-01 Epub Date: 2025-08-06 DOI: 10.1016/j.chieco.2025.102529
Qiyangfan Feng , Ziyue Zhang
The absence of robust legal frameworks is a hallmark of developing nations, contributing to various moral hazard issues, including environmental degradation. In this paper, using the example of the introduction of the principle of piercing the corporate veil (PCV) in Chinese Company Law, we investigate how complementing the limited liability protection framework can improve firms' environmental performance. Employing a PSM-DID strategy, we find compelling evidence that the implementation of PCV leads to a significant reduction in pollution intensity and a decrease in the prevalence of highly polluting firms. In response to the pressure of joint and several liabilities resulting from PCV, firms adopt measures such as enhancing process controls and implementing end-of-pipe treatments to reduce emissions. Furthermore, business groups strategically adjust their production networks and internal factor markets to reduce the pollution emission intensity of their subsidiaries.
缺乏健全的法律框架是发展中国家的一个特点,导致了各种道德风险问题,包括环境恶化。本文以中国公司法引入公司面纱原则为例,探讨完善有限责任保护框架如何提高企业的环境绩效。采用PSM-DID战略,我们发现了令人信服的证据,即PCV的实施导致污染强度的显著降低和高污染企业的流行率的下降。为了应对PCV造成的连带责任压力,公司采取了诸如加强过程控制和实施管道末端处理等措施来减少排放。此外,企业集团战略性地调整其生产网络和内部要素市场,以降低其子公司的污染排放强度。
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引用次数: 0
期刊
中国经济评论
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