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The impact of climate risk on municipal bonds pricing: Evidence from Chinese Chengtou bonds 气候风险对市政债券定价的影响:来自中国城市债券的证据
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-13 DOI: 10.1016/j.pacfin.2025.103040
Chuanhai Zhang , Zhongjie Zheng , Tao Bing
Due to global warming, extreme climate events have become increasingly frequent, posing new challenges to both the real economy and the financial system. In this paper, we construct both extreme temperature and precipitation risk indicators as two proxies for climate risk to examine their impact on the pricing of Chinese Chengtou bonds. The main findings are summarized as follows. First, both extreme temperature and precipitation risks significantly increase the issuance spreads of Chinese Chengtou bonds, and the main findings are supported by a series of robustness checks. Second, mechanism analyses reveal that extreme temperatures weaken the solvency of LGFVs and the implicit guarantees of local governments, while extreme precipitation has no such effect. Third, heterogeneity analysis reveals that climate risk has a greater impact on Chengtou bonds that receive more public attention and are issued by platforms at higher administrative levels, while no significant differences are observed across bond maturities.
由于全球气候变暖,极端气候事件日益频繁,对实体经济和金融体系都提出了新的挑战。本文构建了极端温度和降水风险指标作为气候风险的两个代理指标,考察了它们对中国城头债券定价的影响。主要研究结果总结如下:首先,极端温度和降水风险均显著增加了中国城头债券的发行价差,并得到了一系列稳健性检验的支持。其次,机制分析表明,极端气温会削弱地方政府融资平台的偿付能力和地方政府的隐性担保,而极端降水则没有这种影响。第三,异质性分析表明,气候风险对公众关注度较高、行政级别较高的城头债券的影响更大,但不同期限的债券没有显著差异。
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引用次数: 0
How does artificial intelligence affect the financing efficiency of small and medium-sized enterprises (SMEs)? 人工智能如何影响中小企业的融资效率?
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-12 DOI: 10.1016/j.pacfin.2025.103036
Ya Bu , Ningxian Jin , Hui Li
This study examines how artificial intelligence (AI) affects the financing efficiency of SMEs in China from 2007 to 2023. Using a novel AI adoption index derived from annual report text analysis and a comprehensive financing efficiency measure, we find that AI significantly improves SME financing efficiency by reducing costs and risks and enhancing returns. The effects operate through alleviating information asymmetry, easing financing constraints, and promoting innovation. The impact is more pronounced for non-state-owned firms, technology-intensive industries, and those in eastern China. These findings offer insights for digital transformation in emerging market SMEs.
本研究考察了人工智能(AI)如何影响2007年至2023年中国中小企业的融资效率。通过年度报告文本分析和综合融资效率度量,我们发现人工智能通过降低成本和风险以及提高回报显著提高了中小企业的融资效率。这种效应通过缓解信息不对称、缓解融资约束和促进创新来发挥作用。这种影响对非国有企业、技术密集型产业和中国东部地区的企业更为明显。这些发现为新兴市场中小企业的数字化转型提供了见解。
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引用次数: 0
Learn to explain the smile: An interpretable hybrid machine learning model to understand the implied volatility of CSI 300 options 学会解释微笑:一个可解释的混合机器学习模型来理解沪深300期权的隐含波动率
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-12 DOI: 10.1016/j.pacfin.2025.103038
Pengshi Li , Jinbo Huang , Yan Lin
We propose an interpretable hybrid machine learning framework for forecasting and explaining implied volatility surface dynamics of CSI 300 index options. Our methodology leverages machine learning to correct a theory-based baseline model. Initial predictions are derived from an analytical model, while the second stage involves a machine learning model trained on the residuals of the first stage. We construct three variants of hybrid models using XGBoost: a baseline three-feature model, a VIX-augmented four-feature model, and a five-feature model incorporating a newly developed options-implied ambiguity index. Empirical results using 2019–2025 CSI 300 options data show that the five-feature model significantly outperforms both the analytical benchmark and VIX-only model. Performance improvements are especially pronounced in market rallies and high-ambiguity regimes, where ambiguity attenuates implied volatility compression and amplifies perceptions of downside risk. We further use SHAP value analysis to demonstrate that feature effects are economically coherent and state-dependent. Our findings confirm that ambiguity is a distinct and quantitatively meaningful risk factor for explaining implied volatility dynamics in emerging market.
我们提出了一个可解释的混合机器学习框架来预测和解释沪深300指数期权的隐含波动率表面动态。我们的方法利用机器学习来纠正基于理论的基线模型。最初的预测来自一个分析模型,而第二阶段涉及一个基于第一阶段的残差训练的机器学习模型。我们使用XGBoost构建了混合模型的三种变体:基线三特征模型,vix增强四特征模型,以及包含新开发的选项隐含歧义指数的五特征模型。使用2019-2025年沪深300期权数据的实证结果表明,五特征模型显著优于分析基准模型和仅vix模型。在市场反弹和高度模糊的情况下,业绩改善尤其明显,在这种情况下,模糊性减弱了隐含波动率压缩,放大了对下行风险的感知。我们进一步使用SHAP值分析来证明特征效应在经济上是连贯的和依赖于状态的。我们的研究结果证实,模糊性是解释新兴市场隐含波动率动态的一个独特且定量有意义的风险因素。
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引用次数: 0
Artificial intelligence and stock price crash risk: Evidence from China: A pre-registered study 人工智能和股价崩盘风险:来自中国的证据:一项预注册研究
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-12 DOI: 10.1016/j.pacfin.2025.103039
Xiao Bai , Wenyao Zhao , Meng Liu
This pre-registered study executes the empirical design approved in the associated pre-registered report (Bai and Zhao, 2025) to investigate the impact of artificial intelligence (AI) investment on stock price crash risk. Using China's “New-generation Artificial Intelligence Polit Zone Policy” as a quasi-natural experiment, we find robust evidence that AI investment significantly increases firms' stock price crash risk, mainly due to reduced information transparency and heightened managerial optimism. The effect is more pronounced for firms with lower levels of information transparency and tighter resource constraints. Furthermore, we also find the policy boosts firm value, suggesting that market optimism may drive short-term valuation gains at the cost of long-term stability. Overall, our findings highlight the unintended downside risks associated with AI investment, emphasizing the importance of transparency and governance in mitigating potential adverse outcomes.
本预注册研究执行了相关预注册报告(Bai and Zhao, 2025)中批准的实证设计,以调查人工智能(AI)投资对股价崩盘风险的影响。利用中国的“新一代人工智能专区政策”作为准自然实验,我们发现强有力的证据表明,人工智能投资显著增加了公司股价崩溃的风险,主要原因是信息透明度降低和管理层乐观情绪增强。对于信息透明度较低、资源约束较紧的企业,这种影响更为明显。此外,我们还发现政策提升了公司价值,这表明市场乐观情绪可能以长期稳定为代价推动短期估值收益。总体而言,我们的研究结果突出了与人工智能投资相关的意外下行风险,强调了透明度和治理在减轻潜在不利后果方面的重要性。
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引用次数: 0
Salience and return reversals: Evidence from China 显著性和回归反转:来自中国的证据
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-12 DOI: 10.1016/j.pacfin.2025.103037
Xiao Li, Xirou Yang
We construct deviation salience (DS) to capture the relative return deviation of a stock from its industry peers. We find strong return reversals among high-salience stocks, with no evidence of momentum. These results are robust to alternative specifications and firm-level controls. Cross-sectional tests suggest that salience amplifies the market's reaction to bad news more than to good news. Mechanism analyses indicate that heightened salience induces greater investor attention and overreaction, leading to short-term price reversals.
我们构建偏离显著性(DS)来捕捉股票相对于其行业同行的相对回报偏差。我们发现,在高度突出的股票中,回报率出现了强劲的逆转,但没有迹象表明这种逆转势头。这些结果对于替代规范和公司级别的控制是稳健的。横断面测试表明,显著性放大了市场对坏消息的反应,而不是好消息。机制分析表明,显著性的提高会引起投资者更大的关注和过度反应,从而导致短期价格逆转。
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引用次数: 0
Disentangling market and uncertainty effects in crypto valuation: A portfolio-based analysis 解开加密估值中的市场和不确定性影响:基于投资组合的分析
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-11 DOI: 10.1016/j.pacfin.2025.103032
Withz Aimable
This study examines cryptocurrency valuation using a cross-sectional portfolio approach that integrates equity, commodity, and foreign-exchange market interactions with financial, macroeconomic, and policy uncertainty factors. Portfolios constructed from daily and monthly data are evaluated using returns and Sharpe ratios, while factor sensitivities are estimated through a two-pass regression framework combined with Fama–MacBeth procedures that incorporate both traditional market factors and macro-financial uncertainty. Using a sample of 250 cryptocurrencies from 2014 to 2024, the results show that financial, macroeconomic, and policy uncertainty are consistently priced sources of risk that generate strong and robust premia. These effects remain significant after controlling for equity, commodity, and foreign-exchange exposures, indicating that cryptocurrencies behave as speculative but highly risk-sensitive assets whose valuations depend more on broad uncertainty conditions than on equity-market dynamics. Methodological enhancements, including Shanken corrections, frequency alignment, and crypto-specific controls such as liquidity and mining difficulty, reinforce the robustness of the findings. Overall, the study extends asset-pricing research by demonstrating that uncertainty factors widely used in traditional markets also explain the cross-section of cryptocurrency returns, underscoring the need for investors to incorporate uncertainty risk in allocation decisions and highlighting the sensitivity of crypto markets to macro-financial conditions.
本研究使用横断面投资组合方法研究加密货币估值,该方法将股票、商品和外汇市场的相互作用与金融、宏观经济和政策不确定性因素相结合。根据每日和月度数据构建的投资组合使用回报率和夏普比率进行评估,而因素敏感性通过结合传统市场因素和宏观金融不确定性的Fama-MacBeth程序的双通道回归框架进行估计。使用2014年至2024年250种加密货币的样本,结果表明,金融、宏观经济和政策不确定性始终是产生强劲溢价的风险来源。在控制了股票、大宗商品和外汇风险敞口后,这些影响仍然显著,这表明加密货币表现为投机性但对风险高度敏感的资产,其估值更多地取决于广泛的不确定性条件,而不是股票市场动态。方法上的改进,包括山肯修正、频率校准和特定于加密货币的控制,如流动性和挖矿难度,加强了研究结果的稳健性。总体而言,该研究通过证明传统市场中广泛使用的不确定性因素也解释了加密货币回报的横截面,从而扩展了资产定价研究,强调了投资者在配置决策中纳入不确定性风险的必要性,并强调了加密市场对宏观金融状况的敏感性。
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引用次数: 0
CEO Party School education and ESG performance: Evidence from China CEO党校教育与ESG绩效:来自中国的证据
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-08 DOI: 10.1016/j.pacfin.2025.103034
Xudong He , Shuang Yu , Zunxin Zheng
While the impact of general political connections on corporate behavior is well-documented, the role of formal, ideological training, such as that provided by Party Schools remains unexplored. This study examines the influence of CEOs with Party School education on the ESG performance of Chinese state-owned enterprises (SOEs) from 2010 to 2023. Our findings suggest that Party School education has a significant positive impact on corporate ESG performance. This effect operates through multiple mechanisms: alignment with government objectives, enhanced responsiveness to local economic development pressure, incentives for political promotion, and improved access to government subsidies. The results contribute to a broader understanding of politically connected leadership in transition economies and offers policy implications for optimizing the selection and training mechanisms of SOE leaders in Asia-Pacific areas.
虽然一般的政治关系对企业行为的影响是有据可查的,但正式的意识形态培训的作用,比如党校提供的培训,仍未得到探索。本研究考察了党校ceo对2010 - 2023年中国国有企业ESG绩效的影响。研究结果表明,党校教育对企业ESG绩效有显著的正向影响。这种效应通过多种机制发挥作用:与政府目标保持一致,加强对地方经济发展压力的反应,鼓励政治晋升,改善获得政府补贴的机会。研究结果有助于更广泛地理解转型经济体中的政治关联领导,并为优化亚太地区国有企业领导人的选拔和培训机制提供政策启示。
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引用次数: 0
Predicting cryptocurrency returns with machine learning: Evidence from high-dimensional factor modeling 用机器学习预测加密货币回报:来自高维因素建模的证据
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-07 DOI: 10.1016/j.pacfin.2025.103033
Xingyi Li , Zhuang Liu , Yujun Liu , Shushang Zhu , Jingzhou Yan
We investigate the predictability of cryptocurrency returns using a comprehensive set of macroeconomic and cryptocurrency-specific factors and a set of 12 machine learning models. To enhance interpretability, we employ SHAP analysis to quantify the marginal contribution of each factor to model outputs. We further assess the economic value of predictive signals by constructing long-short and long-only portfolios. Empirically, tree-based methods, particularly random forests, deliver the highest predictive accuracy and outperform neural network and linear benchmarks, with predictability substantially stronger than that documented in equity markets. Across models, the market-to-realized-value ratio, new addresses, and active addresses consistently emerge as the most influential predictors, with higher values associated with higher expected returns. Portfolio results show that neural network-based strategies achieve the highest cumulative performance, indicating meaningful investment gains. Overall, our findings demonstrate the value of machine learning for return forecasting in the cryptocurrency market and provide practical insights for investors and financial analysts operating in highly volatile and evolving cryptocurrency environments.
我们使用一组全面的宏观经济和加密货币特定因素以及一组12个机器学习模型来研究加密货币回报的可预测性。为了提高可解释性,我们采用SHAP分析来量化每个因素对模型输出的边际贡献。我们通过构建多空组合和只做多组合进一步评估预测信号的经济价值。从经验上看,基于树的方法,特别是随机森林,提供了最高的预测准确性,优于神经网络和线性基准,其可预测性大大强于股票市场。在各个模型中,市场与实现价值比、新地址和活跃地址始终是最具影响力的预测因素,价值越高,预期回报越高。投资组合结果表明,基于神经网络的策略获得了最高的累积绩效,表明有意义的投资收益。总体而言,我们的研究结果证明了机器学习对加密货币市场回报预测的价值,并为在高度波动和不断变化的加密货币环境中运营的投资者和金融分析师提供了实用的见解。
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引用次数: 0
The role of state-owned capital in the innovation of private-owned enterprises: Evidence from China 国有资本在民营企业创新中的作用:来自中国的证据
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-05 DOI: 10.1016/j.pacfin.2025.103031
Haiyan Xue , Haijuan Zhang , Xindong Zhang , Shusheng Ding
This study investigates the impact of state-owned capital on the innovation of private-owned enterprises (POEs) in China, differentiating between its direct role as a shareholder and its indirect role exerted through common ownership network. Using a sample of A-share listed manufacturing firms from 2014 to 2022, this paper finds that state-owned capital significantly promotes POEs innovation. Specifically, the indirect role enhances both innovation input (R&D investment) and output (total patents and invention patents), whereas the direct role primarily fosters high-quality innovation output (invention patents). Further mechanism analyses reveal that state-owned capital facilitates innovation through resource effect (capital, talent, and knowledge) and governance effect. The indirect role operates mainly through capital and talent resource effects, coupled with the governance effect of alleviating managerial myopia. In contrast, the direct role functions through talent and knowledge resource effects, along with the governance effect of managerial incentives. This paper provides novel insights into the multifaceted influence of state-owned capital on POEs innovation and highlights a critical role of state-owned capital in fostering innovation under common ownership network.
本文研究了国有资本对中国民营企业创新的影响,区分了国有资本作为股东的直接作用和通过共同所有权网络发挥的间接作用。本文以2014 - 2022年a股制造业上市公司为样本,发现国有资本对企业创新有显著促进作用。具体而言,间接作用增加了创新投入(研发投入)和产出(总专利和发明专利),而直接作用主要促进了高质量的创新产出(发明专利)。进一步的机制分析表明,国有资本通过资源效应(资本、人才和知识)和治理效应促进创新。间接作用主要通过资本和人才资源效应,外加缓解管理短视的治理效应来发挥作用。而直接作用则是通过人才和知识资源效应,以及管理激励的治理效应来发挥作用。本文对国有资本对民营企业创新的多方面影响提供了新的见解,并强调了国有资本在共同所有制网络下促进创新的关键作用。
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引用次数: 0
The impact of intergenerational succession in family businesses on international strategy: A pre-registered report 家族企业代际继承对国际战略的影响:一份预注册报告
IF 5.3 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-12-04 DOI: 10.1016/j.pacfin.2025.103030
Honglin Ren , Anqi Jiao
This pre-registered study explores the impact of intergenerational succession on the international strategy of family businesses. Conceptualizing succession as a critical inflection point in corporate governance, we examine whether leadership transition to a next-generation family member influences a firm's likelihood to initiate or expand international operations. Drawing on agency theory, socioemotional wealth, and dynamic capabilities, we propose that successor characteristics—such as foreign education or work experience—affect global strategic orientation. Using a quasi-natural experimental design, we will employ a difference-in-differences approach to evaluate how succession events affect internationalization outcomes, while also investigating the moderating roles of founder retention and governance professionalization. This study aims to provide theoretical insights into strategic transformation in family firms and generate practical implications for succession planning and globalization strategies, particularly in emerging market contexts.
本研究旨在探讨代际传承对家族企业国际战略的影响。我们将继任概念定义为公司治理的一个关键拐点,研究领导权移交给下一代家族成员是否会影响公司启动或扩大国际业务的可能性。根据代理理论、社会情感财富和动态能力,我们提出继承人的特征——如国外教育或工作经历——会影响全球战略导向。采用准自然实验设计,我们将采用差异中的差异方法来评估继任事件如何影响国际化结果,同时研究创始人留任和治理专业化的调节作用。本研究旨在为家族企业的战略转型提供理论见解,并对继任规划和全球化战略产生实际影响,特别是在新兴市场背景下。
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引用次数: 0
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Pacific-Basin Finance Journal
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