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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 : 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
Valuation adjustment mechanisms in venture capital and entrepreneurial firms' performance 风险投资估值调整机制与创业公司绩效
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-19 DOI: 10.1016/j.chieco.2025.102602
Yi Jiang , Zelong Tan , Ge Yang
The study examines the impact of a widely adopted contractual mechanism between entrepreneurs and venture capitalists (VCs)—the valuation adjustment mechanism (VAM)—on firm performance. We find that VAM agreements lead to a significant decline in firms' profitability. This effect is concentrated in firms that are imposed by accounting targets, especially annual performance targets in VAMs. The adverse impact of VAMs diminishes when firms are backed by more experienced VCs or when VCs hold a larger equity stake. In addition, we also document that the detrimental effect of VAMs is attributable to firms without any independent director. Our finding reveals that the decline in profitability is driven by aggressive expansion strategies, which increase both revenue and cost of goods sold, while diminishing gross profit margins. Moreover, firms with VAMs also cut R&D expenditures and are more likely to delist from the NTB in the long-run. Overall, our results suggest that VAMs exert significant short-term pressure on entrepreneurs and they have to use short-term-oriented expansion strategies that harm profitability and long-term sales growth. Our findings hold up to a battery of endogeneity tests and robustness checks, including the use of parallel trend assumption test, instrumental variables, propensity score matching, stacked DiD, and different sample periods.
本研究考察了企业家和风险资本家(vc)之间广泛采用的契约机制——估值调整机制(VAM)对公司绩效的影响。我们发现VAM协议导致企业盈利能力显著下降。这种影响主要集中在那些被会计目标,特别是VAMs的年度业绩目标所强加的公司。当公司得到更有经验的风投的支持或风投持有更大的股权时,VAMs的不利影响就会减弱。此外,我们还证明了VAMs的不利影响可归因于没有独立董事的公司。我们的发现表明,盈利能力的下降是由激进的扩张战略驱动的,这些战略增加了收入和销售成本,同时减少了毛利率。此外,拥有VAMs的公司也会削减研发支出,从长远来看,更有可能从NTB中退市。总体而言,我们的研究结果表明,VAMs对企业家施加了显着的短期压力,他们不得不采用短期导向的扩张策略,这损害了盈利能力和长期销售增长。我们的研究结果经得起一系列内生性检验和稳健性检验,包括使用平行趋势假设检验、工具变量、倾向得分匹配、堆叠DiD和不同样本周期。
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引用次数: 0
The impact of household debt on the wealth distribution and inequality in China 家庭债务对中国财富分配和不平等的影响
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-17 DOI: 10.1016/j.chieco.2025.102593
Xuanyu Zhang, Xiaoyun Fan
A recent Chinese household survey shows heterogeneous debt-to-income ratio (DIR) and debt-to-asset ratio (DAR). We analyze the cyclicality and time-lag properties of debt increment with respect to consumption and asset accumulation using econometric methods, and examine the effect of debt on wealth distribution in China by applying heterogeneous asset grids and idiosyncratic returns. The Hamilton–Jacobi–Bellman problem solved with interpolation and nested-drift approaches suggests that debt relaxes the budget constraint but hinders asset accumulation among low-income/asset households, and the Gini index increases by around 0.11 in the presence of debt increment. We further demonstrate that the indirect effect of monetary policy via assets accounts for up to 20 percent of the total effect for households with high wealth endowments. However, the high DIR and DAR prevent the compensation of the indirect effect on output growth and consumption for households with low endowments, thereby decreasing the effectiveness of standard monetary policy.
最近的一项中国家庭调查显示,债务收入比(DIR)和债务资产比(DAR)存在异质性。本文运用计量经济学方法分析了债务增量相对于消费和资产积累的周期性和时滞特性,并运用异质性资产网格和特殊收益检验了债务对中国财富分配的影响。用插值和嵌套漂移方法求解的Hamilton-Jacobi-Bellman问题表明,债务放松了预算约束,但阻碍了低收入/资产家庭的资产积累,存在债务增量时基尼系数增加约0.11。我们进一步证明,对于拥有高财富禀赋的家庭,货币政策通过资产产生的间接效应占总效应的20%。然而,高DIR和DAR阻碍了对低禀赋家庭产出增长和消费的间接影响的补偿,从而降低了标准货币政策的有效性。
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引用次数: 0
Supply network and firm innovation: Evidence from China 供应网络与企业创新:来自中国的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-17 DOI: 10.1016/j.chieco.2025.102601
Xiao Deng , Shi-Ting He , Xinrui Lin , Junjie Tang
Successful innovations not only hinge on the firm's internal characteristics, but also closely relate to its involvement in supply networks. Unlike most previous studies that focus on the ego network surrounding a focal firm, our study expands the view to the entire nationwide supply network and investigates how a firm's network centrality facilitates its innovations. Leveraging a novel dataset on inter-firm relationships, we trace the evolution of the supply network among Chinese firms from 2007 to 2021. Our analysis demonstrates that firms with higher network centrality tend to devote more efforts to innovation and acquire more innovation outputs. Centrally positioned firms enjoy enhanced access to external financing and valuable information sharing. These advantages have contributed to the recent increase in internal innovation efforts by Chinese firms to mitigate the impact of U.S. economic sanctions.
成功的创新不仅取决于企业的内部特征,而且与企业参与的供应网络密切相关。与以往大多数关注焦点企业周围自我网络的研究不同,我们的研究将视野扩展到整个全国供应网络,并调查企业的网络中心性如何促进其创新。利用一个关于企业间关系的新数据集,我们追踪了2007年至2021年中国企业供应网络的演变。我们的分析表明,网络中心性越高的企业往往投入更多的创新努力,获得更多的创新产出。处于中心位置的企业更容易获得外部融资和有价值的信息共享。这些优势促使中国企业最近加大了内部创新力度,以减轻美国经济制裁的影响。
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引用次数: 0
Does policy uncertainty affect firms' exchange rate exposure? Evidence from China1 政策的不确定性会影响企业的汇率风险敞口吗?来自中国的证据
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-16 DOI: 10.1016/j.chieco.2025.102599
Qing He , Bailin Liang , Ce Zhang
Analyzing data from 3616 Chinese listed firms, we find a strong positive relationship between policy uncertainty and firms' exchange rate exposure. This result remains robust after controlling for macroeconomic conditions and addressing endogeneity issues. Notably, policy uncertainty's impact is significantly stronger for firms with a higher degree of international involvement and for poorly-governed firms. Interestingly, firms use financial hedging more intensively and reduce their operational hedging in high-uncertainty periods. Our results suggest that policy uncertainty exacerbates the impact of currency movements on firms' financial performance, as firms become increasingly involved in international operations. Consequently, firms should strengthen their corporate governance and make effective use of hedging tools.
通过对3616家中国上市公司的数据分析,我们发现政策不确定性与企业汇率风险之间存在很强的正相关关系。在控制宏观经济条件和解决内生性问题后,这一结果仍然稳健。值得注意的是,政策不确定性对国际参与程度较高的公司和治理不善的公司的影响要大得多。有趣的是,企业更频繁地使用金融套期保值,并在高不确定性时期减少其运营套期保值。我们的研究结果表明,随着企业越来越多地参与国际业务,政策不确定性加剧了货币变动对企业财务绩效的影响。因此,企业应加强公司治理,有效利用对冲工具。
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引用次数: 0
Climbing the social ladder: Clans and intergenerational mobility in China 攀登社会阶梯:中国的宗族和代际流动
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-16 DOI: 10.1016/j.chieco.2025.102598
Shuai Zhao, Linke Hou
In this paper, we investigate the relationship between clans as informal institutions and upward intergenerational transmission of human capital. Using detailed father-child pairs from China, we find individuals residing in areas with stronger clans have higher probability for moving upward the social ladder. A one standard deviation increase in the number of genealogies per 10,000 people (logged) could raise the probability for moving upward the social ladder by 2.26 %. The results are further confirmed by using the distance of each prefecture's centroid to the nearest Zhu Xi academy in the Song Dynasty as an instrumental variable. In addition, informal financing within clans, legacy of prioritizing education and extensive networks of social connections based on kinship networks are three main mechanisms. Finally, daughters who lack financial investment with their schooling and job prospects in small families are more likely to benefit more from resource pooling services within clans, thereby increasing their chances for moving up the social ladder.
本文研究了宗族作为非正式制度与人力资本代际向上传递之间的关系。通过对来自中国的父子对的详细分析,我们发现,居住在宗族较强地区的个人更有可能向上攀登社会阶梯。每一万人(记录)的家谱数量每增加一个标准差,就会使社会阶梯向上移动的概率提高2.26%。以各县到最近的宋代朱熹书院的距离作为工具变量,进一步证实了这一结果。此外,部族内部的非正式融资、优先考虑教育的遗产和以亲属网络为基础的广泛的社会联系网络是三个主要机制。最后,在小家庭中,在学业和就业前景方面缺乏财务投资的女儿更有可能从氏族内部的资源共享服务中获益,从而增加她们向上攀登社会阶梯的机会。
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引用次数: 0
Measuring MPC heterogeneity in China: Insights from household registration reform 衡量中国货币政策异质性:来自户籍改革的洞察
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-14 DOI: 10.1016/j.chieco.2025.102582
Yawen Gao , Lun Li , Xin Liang
Understanding the marginal propensity to consume (MPC), its heterogeneity among different population groups, and the influence of policy shocks on MPC is crucial for policymakers. This paper addresses these three questions using two datasets: the China Family Panel Studies (CFPS) and the China Household Finance Survey (CHFS). Extending the Euler equation method of Baker (2018), we estimate the MPC for urban residents in China, finding it ranges between 0.130 and 0.144. A comprehensive heterogeneity analysis shows that individuals with lower wealth, married status, poor health, high education, children, non-migrant status, or homeownership tend to have higher MPCs. Using the 2014 Hukou reform as a policy shock, we estimate its impact on the MPC using CHFS. Results from a difference-in-differences analysis reveal that the reform significantly increased the MPC among urban residents. We show that the influx of migrants following the Hukou reform raised urban housing prices, which increased homeowners' debt levels through wealth effects and reduced their liquid assets, ultimately raising their marginal propensity to consume.
了解边际消费倾向(MPC)及其在不同人群中的异质性,以及政策冲击对MPC的影响,对政策制定者至关重要。本文使用中国家庭调查(CFPS)和中国家庭金融调查(CHFS)两个数据集来解决这三个问题。我们扩展了Baker(2018)的欧拉方程方法,估计了中国城市居民的MPC,其范围在0.130到0.144之间。一项综合异质性分析表明,财富较低、已婚、健康状况较差、受教育程度较高、有子女、非移民身份或拥有住房的人往往具有较高的mpc。将2014年户籍改革作为政策冲击,我们使用CHFS来估计其对货币政策委员会的影响。差异中差异分析结果显示,改革显著提高了城镇居民的MPC。我们发现户籍改革后农民工的涌入提高了城市房价,通过财富效应增加了房主的债务水平,减少了他们的流动资产,最终提高了他们的边际消费倾向。
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引用次数: 0
Demolition, housing lock-in, and labor migration 拆迁、住房锁定、劳动力迁移
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-11 DOI: 10.1016/j.chieco.2025.102594
Yan Zhang , Shuang Ma , Ding Li
This study examines an underexplored question of how housing demolitions influence internal labor migration in China amid slowing population growth and growing concern over workforce mobility. Using nationally representative micro-level survey data from 2013 to 2019 and leveraging housing demolition as an exogenous shock, we examine the relationship among demolition, homeownership, and labor migration. We begin by developing a two-stage discrete choice model to analyze household migration decisions, incorporating multiple dimensions, such as social network dependence, transaction costs, and emotional attachment. Our findings reveal that housing demolition significantly reduces the homeownership rate by 4.6 percentage points and increases the probability of urban registered labor outflow from counties by 7.4 percentage points. Importantly, these effects extend to both intra-provincial and inter-provincial flows, highlighting the role of demolition in reshaping the spatial distribution of labor. Mechanism analysis indicates a dynamic process: in the short term, demolition weakens households' attachment to housing, reducing the housing lock-in effect, while in the long term, compensation creates a wealth effect that alters household assets and influences migration decisions. Heterogeneity analysis further shows that demolition disproportionately constrains younger and lower-income households with fewer assets, underscoring unequal adaptability to forced relocation.
本研究探讨了一个未被充分探讨的问题,即在人口增长放缓和对劳动力流动日益关注的背景下,房屋拆迁如何影响中国内部劳动力迁移。利用2013 - 2019年具有全国代表性的微观层面调查数据,并将房屋拆迁作为外生冲击,研究了拆迁、住房所有权和劳动力迁移之间的关系。我们首先开发了一个两阶段离散选择模型来分析家庭迁移决策,该模型包含多个维度,如社会网络依赖、交易成本和情感依恋。我们的研究结果表明,房屋拆迁显著降低了住房自有率4.6个百分点,并使城镇登记劳动力从县流出的可能性增加了7.4个百分点。重要的是,这些影响延伸到省内和省际流动,凸显了拆迁在重塑劳动力空间分布中的作用。机制分析表明,拆迁是一个动态过程:从短期来看,拆迁削弱了家庭对住房的依恋,降低了住房锁定效应;从长期来看,拆迁补偿产生了财富效应,改变了家庭资产,影响了迁移决策。异质性分析进一步表明,拆迁不成比例地限制了资产较少的年轻和低收入家庭,强调了对强制搬迁的不平等适应能力。
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引用次数: 0
Climate risk and household stock market participation 气候风险与家庭股票市场参与
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-10 DOI: 10.1016/j.chieco.2025.102596
Yong Li , Kun Mao , Hongwu Gan , Yang Zhou
This study examines how climate risk shapes household portfolio choice, addressing a gap in the household-finance literature that largely overlooks environmental factors. Prior work has emphasized household characteristics and socioeconomic conditions, but the role of physical climate risk remains underexplored. Using five waves (2011–2019) of the China Household Finance Survey (CHFS) matched to county-level meteorological records, we estimate a household-level panel fixed-effects model and implement an instrumental-variables strategy to identify causal effects. We document that extreme heat conditions significantly curtail participation in equity markets and shrink the fraction of household assets allocated to stocks. Our mechanism analysis indicates that climate risk operates by amplifying background risks—specifically labor-income and health risks—and by tightening household credit constraints. These findings illuminate the micro-level channels through which climate risk affects household financial behavior, highlight regressive effects on disadvantaged households, and underscore the need for climate-resilient financial policy.
本研究考察了气候风险如何影响家庭投资组合选择,解决了家庭金融文献中很大程度上忽视环境因素的空白。先前的工作强调家庭特征和社会经济条件,但物理气候风险的作用仍未得到充分探讨。利用中国家庭金融调查(CHFS)的五波(2011-2019)与县级气象记录相匹配,我们估计了家庭层面的面板固定效应模型,并实施了工具变量策略来确定因果关系。我们证明,极端炎热的条件显著减少了对股票市场的参与,并缩小了分配给股票的家庭资产的比例。我们的机制分析表明,气候风险通过放大背景风险——特别是劳动收入和健康风险——以及收紧家庭信贷约束来发挥作用。这些发现阐明了气候风险影响家庭金融行为的微观渠道,突出了对弱势家庭的回归效应,并强调了制定气候适应型金融政策的必要性。
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引用次数: 0
The real effect of China's narrative Central Bank Communication 中国央行沟通叙事的真实效果
IF 5.5 1区 经济学 Q1 ECONOMICS Pub Date : 2025-11-09 DOI: 10.1016/j.chieco.2025.102592
Liangyuan Chen , Jianhao Lin , Xia Wang , Zixiang Zhu
Unlike central banks in developed economies, the People's Bank of China (PBC) does not explicitly use forward guidance but rather provides explanatory information about monetary policy. The PBC has mainly used quarterly written reports and non-periodic oral channels to communication with the market, but there are significant differences in the institutional objectives and textual structures of these two types of communication. This paper investigates the real effects of the PBC's narrative on the macroeconomy. Our results show that the PBC's policy-related information can also guide inflation expectations and have a direct impact on the macroeconomy. The different macroeconomic effects between oral communication and written communication lies in their differences in timeliness, semantic complexity and ambiguity. Meanwhile, such explanatory communication can help the public understand policy stance, resist the negative impact of economic policy uncertainty, and thereby enhance monetary policy effectiveness. Finally, we find that oral communication has an increasingly significant impact on inflation expectations through variance decomposition.
与发达经济体的央行不同,中国人民银行(PBC)并不明确使用前瞻性指引,而是提供有关货币政策的解释性信息。中国人民银行主要通过季度书面报告和不定期口头渠道与市场进行沟通,但这两种沟通方式的制度目标和文本结构存在显著差异。本文考察了中国人民银行言论对宏观经济的实际影响。我们的研究结果表明,中国人民银行的政策相关信息也可以引导通胀预期,并对宏观经济产生直接影响。口头交际和书面交际在时效性、语义复杂性和歧义性方面的差异是其宏观经济效应的主要原因。同时,这种解释性沟通可以帮助公众理解政策立场,抵御经济政策不确定性的负面影响,从而提高货币政策的有效性。最后,通过方差分解,我们发现口头沟通对通胀预期的影响越来越显著。
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引用次数: 0
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中国经济评论
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