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Seeing is believing: Forecasting oil market returns with artificial intelligence-powered visual climate change perception 眼见为实:利用人工智能驱动的视觉气候变化感知预测石油市场回报
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-04 DOI: 10.1016/j.gfj.2025.101174
Dan Liu
This study proposes a novel framework for forecasting oil market returns by quantifying climate change perception based on visual media. A vision-language model processes 746,435 news images from The New York Times between May 2006 and December 2023 to construct the Visual Climate Change Perception Index (VCCP), along with two sub-indices. The VCCP exhibits significant predictive power for one-month-ahead WTI spot returns, outperforming text-based climate sentiment and macroeconomic benchmarks. The Physical Climate Impact Visual Index contributes to short-term return predictability, while the Transitional Climate Policy Visual Index captures longer-horizon dynamics. Out-of-sample analyses confirm the robustness and economic relevance of VCCP-based models, enhancing forecast accuracy and improving asset allocation performance. These findings underscore the role of emotionally salient visual cues in shaping market expectations and highlight the importance of multimodal climate signals in the pricing of high-carbon assets.
本研究提出了一种基于视觉媒体的量化气候变化感知预测石油市场回报的新框架。一个视觉语言模型处理了2006年5月至2023年12月期间来自《纽约时报》的746,435张新闻图像,以构建视觉气候变化感知指数(VCCP)以及两个子指数。VCCP对未来一个月WTI现货收益表现出显著的预测能力,优于基于文本的气候情绪和宏观经济基准。物理气候影响目视指数有助于短期回报的可预测性,而过渡性气候政策目视指数则捕捉长期动态。样本外分析证实了基于vccp模型的稳健性和经济相关性,提高了预测准确性并改善了资产配置绩效。这些发现强调了情感上显著的视觉线索在塑造市场预期中的作用,并强调了多式联运气候信号在高碳资产定价中的重要性。
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引用次数: 0
Nonparametric identification of factors for the cross-section of Latin American stock returns 拉丁美洲股票收益横截面因素的非参数识别
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-03 DOI: 10.1016/j.gfj.2025.101172
Simón Zuluaga-Rendón , Diego A. Agudelo
Factor Investing, a widely recognized investment approach, remains relatively underexplored in Latin American stock markets. This study investigates the determinants of stock returns in Latin America employing the Group Adaptive Elastic Net within a nonparametric framework from 2000 to 2020. Initially assessing 34 widely recognized financial factors, our analysis identifies that a set of six factors captures most of the variance in cross-sectional returns in the proposed model: Volatility, Assets-to-Market ratio, Cash Flow to Price, Earnings to Price, Intermediate Momentum, and Turnover. Furthermore, an active Factor Investing strategy derived from this framework demonstrates substantial outperformance relative to a benchmark index in out-of-sample testing. Overall, we find evidence of short-term predictability of returns in Latin American stocks based on nonlinear and dynamic factor effects.
要素投资是一种被广泛认可的投资方法,但在拉丁美洲股票市场仍未得到充分探索。本研究在2000年至2020年的非参数框架内,采用集团自适应弹性网研究了拉丁美洲股票收益的决定因素。首先评估了34个公认的金融因素,我们的分析发现,在建议的模型中,一组六个因素捕捉了横截面回报的大部分差异:波动性、资产与市场比率、现金流量与价格、收益与价格、中间动量和周转率。此外,在样本外测试中,源自该框架的主动因子投资策略相对于基准指数表现出显著的优异表现。总体而言,我们发现基于非线性和动态因素效应的拉丁美洲股票收益的短期可预测性的证据。
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引用次数: 0
Watchdogs of greenwashing: The role of long-term institutional cross-ownership 漂绿的监督者:长期机构交叉所有制的作用
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-01 DOI: 10.1016/j.gfj.2025.101177
Wenjing Yin, Gaomiao Wang, Yumiao Yu
A growing number of institutional investors are showing interest in “green” firms, highlighting the increasing importance of environmental, social, and governance (ESG) information. However, as the use of mainstream ESG data expands, the prevalence of greenwashing is also rising. This paper investigates how long-term institutional cross-ownership influences corporate responses to this critical stakeholder concern. We hypothesize that long-term institutional cross-ownership mitigates corporate greenwashing by enabling investors to acquire in-depth information and directly monitor firms in the context of systematic risk management. Our findings indicate that firms with long-term cross-ownership exhibit significantly lower levels of greenwashing. Supporting the information-gathering hypothesis, the effect is more pronounced in firms operating in hard-to-value industries. Supporting the direct monitoring hypothesis, the effect is less evident among firms subject to heightened external scrutiny. Overall, our study suggests that longer investment horizons lead institutional cross-owners to enhance the transparency of stakeholder-related activities, driven primarily by financial motivations.
越来越多的机构投资者对“绿色”公司表现出兴趣,突显出环境、社会和治理(ESG)信息日益重要。然而,随着主流ESG数据使用的扩大,“漂绿”现象也越来越普遍。本文研究了长期制度交叉持股如何影响企业对这一关键利益相关者关注的反应。我们假设,在系统性风险管理的背景下,长期的机构交叉持股使投资者能够获得深入的信息并直接监督公司,从而减轻了公司的“漂绿”。我们的研究结果表明,长期交叉持股的公司表现出明显较低的绿色洗涤水平。为了支持信息收集假说,这种效应在难以估值的行业中更为明显。支持直接监督假说的是,这种效应在受到高度外部审查的公司中不那么明显。总体而言,我们的研究表明,较长的投资期限会导致机构交叉所有者提高利益相关者相关活动的透明度,这主要是由财务动机驱动的。
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引用次数: 0
Do ESG rating changes matter? Evidence from Chinese stock market ESG评级的变化重要吗?证据来自中国股市
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-01 DOI: 10.1016/j.gfj.2025.101180
Dianhao Liu, Jun Zhou
Investors will change their trading behavior in response to ESG rating changes, which in turn influence stock returns. In this paper, we examine the impact of ESG rating changes on stock returns in Chinese stock market. We find that ESG rating upgrades (downgrades) lead to higher (lower) short-term stock returns. A long-short portfolio constructed from upgraded firms versus downgraded firms generates monthly abnormal returns of 1.80 % on average. The main driver is institutional investors' buying (selling) shares of companies with upgraded (downgraded) ESG ratings. The disagreement about ESG rating changes can undermine this impact.
投资者会因ESG评级变化而改变交易行为,进而影响股票收益。本文考察了ESG评级变动对中国股市股票收益的影响。我们发现,ESG评级调高(调降)会导致股票的短期回报更高(更低)。由评级上调的公司和评级下调的公司组成的多空组合每月平均产生1.80%的异常回报。主要驱动力是机构投资者买入(卖出)ESG评级上调(下调)的公司股票。关于ESG评级变化的分歧可能会削弱这种影响。
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引用次数: 0
Effects of domestic and foreign financial stress on stock returns in Asia-Pacific countries 国内外金融压力对亚太国家股票收益的影响
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-01 DOI: 10.1016/j.gfj.2025.101178
Oguzhan Ozcelebi , Rim El Khoury , R. Gopinathan , Seong-Min Yoon
This study employs advanced quantile-based methodologies to investigate the effects of domestic and foreign financial stress on stock market performance across 10 Asia–Pacific countries. Using wavelet quantile correlation and multivariate quantile-on-quantile regression models, we analyze the nonlinear, asymmetric, and time–frequency-dependent relationships under varying market conditions. Results show that foreign financial stress exerts a more consistent and pronounced negative impact on stock returns, particularly in export-dependent economies such as Thailand and Korea. In contrast, the effects of domestic financial stress vary by country. Persistent negative impacts are observed in structurally weaker economies like the Philippines, whereas markets such as China, India, and Australia display adaptability, with correlations shifting to neutral or positive under certain conditions. These findings underscore the significant heterogeneity shaped by differences in economic structure, trade exposure, and financial market characteristics. By comparing the effects of both global and domestic financial stress, this study fills an important gap in the literature. The results provide actionable insights for policymakers working to strengthen financial stability and for investors pursuing effective portfolio diversification strategies.
本研究采用先进的基于分位数的方法,研究了国内外金融压力对10个亚太国家股市表现的影响。利用小波分位数相关和多元分位数对分位数回归模型,分析了不同市场条件下的非线性、非对称和时频依赖关系。结果表明,外国金融压力对股票回报产生了更为一致和明显的负面影响,特别是在泰国和韩国等依赖出口的经济体。相比之下,国内金融压力的影响因国家而异。在菲律宾等结构较弱的经济体中观察到持续的负面影响,而中国、印度和澳大利亚等市场表现出适应性,在某些条件下相关性变为中性或正。这些发现强调了经济结构、贸易风险和金融市场特征差异所形成的显著异质性。通过比较全球和国内金融压力的影响,本研究填补了文献中的一个重要空白。研究结果为致力于加强金融稳定的政策制定者和寻求有效投资组合多样化策略的投资者提供了可操作的见解。
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引用次数: 0
Analytical fixed income pricing in discrete time: A new family of models 离散时间下的分析性固定收益定价:一类新模型
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-01 DOI: 10.1016/j.gfj.2025.101170
Marcos Escobar-Anel , Lars Stentoft , Xize Ye
This paper proposes a large class of discrete-time models for interest rates, with flexible distributions on innovations and multiple factors, filling two key gaps in the literature. First, the models are “affine”, and as a result, closed-form pricing for bonds and analytical representations for more general fixed-income products can be obtained. This is reminiscent of the continuous-time models studied in Duffie et al. (2003) and the discrete-time GARCH models for assets introduced by Heston and Nandi (2000). Secondly, the models allow for control of the lower bound of the interest rate, permitting bounded negative rates. This second contribution is absent even from the popular continuous-time literature. As an application, we study the properties and interpretation of our main proposal, a Gaussian-based model with a non-central Chi-square distribution. The model is estimated via maximum likelihood on daily time series of US interest rates for various maturities and monthly interest rates from the G7 countries. The empirical analysis confirms the superiority of our model in terms of likelihood, AIC, and BIC values compared to two benchmarks, an autoregressive model as a discrete-time version of the Vasicek model, and the popular CIR model. Our model also provides additional flexibility in accommodating the yield curve, with massive potential for richer structures while maintaining the key benefits.
本文提出了一大类利率离散时间模型,具有灵活的创新和多因素分布,填补了文献中的两个关键空白。首先,模型是“仿射”的,因此可以得到债券的封闭式定价和更一般的固定收益产品的分析表示。这让人想起Duffie等人(2003)研究的连续时间模型,以及Heston和Nandi(2000)引入的资产离散时间GARCH模型。其次,这些模型允许控制利率的下限,从而允许有界的负利率。这第二个贡献甚至在流行的连续时间文学中也没有。作为一个应用,我们研究了我们的主要建议的性质和解释,一个非中心卡方分布的基于高斯的模型。该模型是通过对美国不同期限利率的每日时间序列和G7国家的月度利率的最大似然来估计的。实证分析证实了我们的模型在似然、AIC和BIC值方面优于两个基准,一个是作为Vasicek模型的离散时间版本的自回归模型,另一个是流行的CIR模型。我们的模型还在适应收益率曲线方面提供了额外的灵活性,在保持关键优势的同时,具有更丰富结构的巨大潜力。
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引用次数: 0
Social capital and leasing 社会资本与租赁
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-09-01 DOI: 10.1016/j.gfj.2025.101173
Joshua Zhang , Hasibul Chowdhury , Jacquelyn E. Humphrey , Mostafa Monzur Hasan
We examine the relationship between social capital and corporate leasing intensity. Using a large sample of publicly traded US firms, we find that firms headquartered in areas with high social capital lease less. The negative association is driven by both the social norms and social network components of social capital. Our channel analysis reveals that social capital has both a direct and an indirect effect on leasing, with the direct effect being significantly stronger. The indirect effect is due to social capital reducing financing constraints.
研究了社会资本与企业租赁强度之间的关系。通过对美国上市公司的大量样本分析,我们发现总部位于社会资本高的地区的公司租赁较少。社会规范和社会资本的社会网络成分共同驱动了这种负相关。我们的渠道分析表明,社会资本对租赁既有直接影响,也有间接影响,其中直接影响明显更强。间接效应是由于社会资本减少了融资约束。
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引用次数: 0
From noise to signals: Investor attention as a catalyst for the momentum effect in the Chinese stock market 从噪音到信号:投资者关注是中国股市动量效应的催化剂
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-08-25 DOI: 10.1016/j.gfj.2025.101175
Zhi-Yu Zhang , Chi Xie , Gang-Jin Wang , You Zhu , Xiao-Xin Li
The momentum effect is a pricing anomaly that is widely observed in financial markets but not promised in the Chinese stock market. We explore the interaction between investor attention and momentum effects to strengthen momentum-based strategies' profitability by transforming the inherent noise of investor attention into valuable signals. Applying the conditional autoencoder (CAE) asset pricing model, we extract signals from noisy information to estimate stock returns that reflect the expected price adjustments driven by collective attention. Results yield four key conclusions. (i) The signal derived from investor attention acts as a catalyst that significantly enhances momentum strategies' performance, and the attention-based momentum (AttMOM) strategy consistently outperforms the conventional momentum (MOM) strategy in various formation periods. (ii) Although pricing anomalies, such as firm size, influence both strategies' returns, the attention-driven signal enables AttMOM to achieve higher and more stable returns. (iii) Investor attention helps AttMOM to maintain stable profits during market downturns. (iv) Investor attention reinforces the AttMOM strategy's resilience during turbulence, improving its hedging capabilities. Overall, our findings highlight the pivotal role of investor attention in boosting momentum returns, offering valuable insights for investment decision-making.
动量效应是一种定价异常现象,在金融市场中普遍存在,但在中国股市中并不存在。我们探讨了投资者注意力和动量效应之间的相互作用,通过将投资者注意力的固有噪声转化为有价值的信号来增强基于动量的策略的盈利能力。应用条件自编码器(CAE)资产定价模型,我们从噪声信息中提取信号来估计反映集体关注驱动的预期价格调整的股票收益。结果得出了四个关键结论。(1)投资者关注产生的信号作为催化剂,显著增强了动量策略的绩效,在不同的形成期,基于注意的动量(AttMOM)策略的绩效始终优于传统动量(MOM)策略。(ii)虽然定价异常,如公司规模,影响两种策略的回报,但注意力驱动的信号使AttMOM能够实现更高和更稳定的回报。(iii)投资者的关注有助于AttMOM在市场低迷时期保持稳定的利润。(iv)投资者的关注增强了AttMOM策略在动荡期间的弹性,提高了其对冲能力。总体而言,我们的研究结果强调了投资者关注在提高动量回报方面的关键作用,为投资决策提供了有价值的见解。
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引用次数: 0
Corporate environmental responsibility and financial constraints for unlisted SMEs 企业环境责任与非上市中小企业的财务约束
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-08-25 DOI: 10.1016/j.gfj.2025.101176
Barkat Ullah
In this paper, we examine the impact of corporate environmental responsibility on financial constraints among 16,275 unlisted small and medium-sized enterprises across 30 countries in Eastern Europe and Central Asia. We also assess how country-level economic, financial, and institutional development moderates the relationship between CER and financial constraints. Our findings reveal that SMEs demonstrating strong environmental responsibility face fewer financial constraints than their conventional counterparts. Moreover, the positive effect of superior CER performance on alleviating financial constraints is more pronounced in countries with higher levels of economic, financial, and institutional development.
本文以东欧和中亚30个国家的16,275家非上市中小企业为研究对象,研究了企业环境责任对财务约束的影响。我们还评估了国家层面的经济、金融和制度发展如何调节CER与金融约束之间的关系。我们的研究结果表明,具有强烈环境责任的中小企业面临的财务约束比传统同行要少。此外,在经济、金融和制度发展水平较高的国家,优越的CER绩效对缓解金融约束的积极作用更为明显。
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引用次数: 0
Unbundling institutions for corporations 为企业拆分机构
IF 5.5 2区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2025-08-19 DOI: 10.1016/j.gfj.2025.101171
Dong Wook Lee , Jee Eun Lee , Lingxia Sun
This paper proposes that a country's institutions for corporations—especially their roles—can be divided into the supporting for corporate growth and the policing of corporate wrongdoing. We identify the two roles of institutions indirectly yet more effectively through their respective targets. Companies with negative free cash flows (FCF) are the main target of the institutional supporting, while companies with positive FCF are subject primarily to the institutional policing. Using firm-level data from 43 countries for the period of 2000–2018, we find evidence for the possibility and usefulness of this unbundling. Specifically, the cross-country difference in corporate performance is concentrated in negative-FCF firms. To the extent that the corporate performance we examine is a direct outcome of the surrounding institutions, our results suggest that a meaningful cross-country difference in institutional interventions—that is, the ones that create a difference in economic outcome across countries—lies in those for negative-FCF firms. They are the institutional supports that discover and finance corporate growth opportunities so that companies can invest beyond their own means, thereby running negative FCF.
本文提出,一个国家的企业制度——尤其是它们的角色——可以分为支持企业成长和监管企业不法行为。我们间接地确定了机构的两种作用,但通过各自的目标更有效地确定了它们的作用。自由现金流为负的公司是制度支持的主要对象,而自由现金流为正的公司主要受到制度监管。利用2000年至2018年期间来自43个国家的企业层面数据,我们发现了这种分拆的可能性和有效性的证据。具体而言,跨国公司绩效差异集中在负fcf公司。在某种程度上,我们研究的公司绩效是周围制度的直接结果,我们的结果表明,制度干预的有意义的跨国差异-即那些在各国之间产生经济结果差异的因素-在于那些负fcf公司。它们是发现和资助企业增长机会的制度支持,使企业能够进行超出自身能力的投资,从而运行负FCF。
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引用次数: 0
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Global Finance Journal
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