首页 > 最新文献

International Journal of Forecasting最新文献

英文 中文
Introduction to the Special Issue on Judgment in Forecasting 《预测判断》专刊导论
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-02-07 DOI: 10.1016/j.ijforecast.2025.01.004
Robert Fildes, Fergus Bolger, Paul Goodwin, Nigel Harvey, Matthias Seifert
{"title":"Introduction to the Special Issue on Judgment in Forecasting","authors":"Robert Fildes, Fergus Bolger, Paul Goodwin, Nigel Harvey, Matthias Seifert","doi":"10.1016/j.ijforecast.2025.01.004","DOIUrl":"10.1016/j.ijforecast.2025.01.004","url":null,"abstract":"","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 2","pages":"Pages 419-423"},"PeriodicalIF":6.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143579347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A projected nonlinear state-space model for forecasting time series signals 一种预测时间序列信号的非线性状态空间模型
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-02-07 DOI: 10.1016/j.ijforecast.2025.01.002
Christian Donner , Anuj Mishra , Hideaki Shimazaki
Learning and forecasting stochastic time series is essential in various scientific fields. However, despite the proposals of nonlinear filters and deep-learning methods, it remains challenging to capture nonlinear dynamics from a few noisy samples and predict future trajectories with uncertainty estimates while maintaining computational efficiency. Here, we propose a fast algorithm to learn and forecast nonlinear dynamics from noisy time series data. A key feature of the proposed model is kernel functions applied to projected lines, enabling the fast and efficient capture of nonlinearities in the latent dynamics. Through empirical case studies and benchmarking, the model demonstrates its effectiveness at learning and forecasting complex nonlinear dynamics, offering a valuable tool for researchers and practitioners in time series analysis.
学习和预测随机时间序列在许多科学领域都是必不可少的。然而,尽管提出了非线性滤波器和深度学习方法,但从少量噪声样本中捕获非线性动力学并在保持计算效率的同时使用不确定性估计预测未来轨迹仍然具有挑战性。在这里,我们提出了一种快速的算法来学习和预测非线性动态从噪声时间序列数据。该模型的一个关键特征是将核函数应用于投影线,从而能够快速有效地捕获潜在动力学中的非线性。通过实证案例研究和基准测试,该模型证明了其在学习和预测复杂非线性动力学方面的有效性,为时间序列分析的研究人员和实践者提供了有价值的工具。
{"title":"A projected nonlinear state-space model for forecasting time series signals","authors":"Christian Donner ,&nbsp;Anuj Mishra ,&nbsp;Hideaki Shimazaki","doi":"10.1016/j.ijforecast.2025.01.002","DOIUrl":"10.1016/j.ijforecast.2025.01.002","url":null,"abstract":"<div><div>Learning and forecasting stochastic time series is essential in various scientific fields. However, despite the proposals of nonlinear filters and deep-learning methods, it remains challenging to capture nonlinear dynamics from a few noisy samples and predict future trajectories with uncertainty estimates while maintaining computational efficiency. Here, we propose a fast algorithm to learn and forecast nonlinear dynamics from noisy time series data. A key feature of the proposed model is kernel functions applied to projected lines, enabling the fast and efficient capture of nonlinearities in the latent dynamics. Through empirical case studies and benchmarking, the model demonstrates its effectiveness at learning and forecasting complex nonlinear dynamics, offering a valuable tool for researchers and practitioners in time series analysis.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 1296-1309"},"PeriodicalIF":6.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SolNet: Open-source deep learning models for photovoltaic power forecasting across the globe SolNet:全球光伏发电预测的开源深度学习模型
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-02-03 DOI: 10.1016/j.ijforecast.2024.12.003
Joris Depoortere, Johan Driesen, Johan Suykens, Hussain Syed Kazmi
Deep learning models have gained increasing prominence in recent years in solar photovoltaic (PV) forecasting. One drawback of these models is that they require a lot of high-quality data to perform well. This is often infeasible in practice, due to poor measurement infrastructure in legacy systems and the rapid build-up of new solar systems across the world. This paper proposes SolNet: a novel, general-purpose, multivariate solar power forecaster, which addresses these challenges by using a two-step forecasting pipeline that incorporates transfer learning from abundant synthetic data generated from PVGIS, before fine-tuning on observational data.
Using actual production data from hundreds of sites in The Netherlands, Australia, and Belgium, we show that SolNet improves forecasting performance over data-scarce settings as well as baseline models. We find transfer learning benefits to be the strongest when only limited observational data are available. At the same time, we provide several guidelines and considerations for transfer learning practitioners, as our results show that weather data, seasonal patterns, and possible misspecification in source location can have a major impact on the results. The SolNet models created in this way are applicable for any land-based solar photovoltaic system across the planet to obtain improved forecasting capabilities.
近年来,深度学习模型在太阳能光伏(PV)预测领域得到了越来越多的关注。这些模型的一个缺点是,它们需要大量高质量的数据才能运行良好。这在实践中往往是不可行的,因为遗留系统的测量基础设施很差,而且世界各地正在迅速建立新的太阳能系统。本文提出了SolNet:一种新颖的、通用的、多元的太阳能预测器,它通过使用两步预测管道来解决这些挑战,该管道结合了从PVGIS生成的丰富合成数据的迁移学习,然后对观测数据进行微调。使用来自荷兰、澳大利亚和比利时数百个站点的实际生产数据,我们表明SolNet提高了数据稀缺设置和基线模型的预测性能。我们发现,只有有限的观测数据可用时,迁移学习的好处是最强的。同时,我们为迁移学习实践者提供了一些指导方针和注意事项,因为我们的结果表明,天气数据、季节模式和源位置可能的错误说明会对结果产生重大影响。以这种方式创建的SolNet模型适用于地球上任何陆基太阳能光伏系统,以获得改进的预测能力。
{"title":"SolNet: Open-source deep learning models for photovoltaic power forecasting across the globe","authors":"Joris Depoortere,&nbsp;Johan Driesen,&nbsp;Johan Suykens,&nbsp;Hussain Syed Kazmi","doi":"10.1016/j.ijforecast.2024.12.003","DOIUrl":"10.1016/j.ijforecast.2024.12.003","url":null,"abstract":"<div><div>Deep learning models have gained increasing prominence in recent years in solar photovoltaic (PV) forecasting. One drawback of these models is that they require a lot of high-quality data to perform well. This is often infeasible in practice, due to poor measurement infrastructure in legacy systems and the rapid build-up of new solar systems across the world. This paper proposes SolNet: a novel, general-purpose, multivariate solar power forecaster, which addresses these challenges by using a two-step forecasting pipeline that incorporates transfer learning from abundant synthetic data generated from PVGIS, before fine-tuning on observational data.</div><div>Using actual production data from hundreds of sites in The Netherlands, Australia, and Belgium, we show that SolNet improves forecasting performance over data-scarce settings as well as baseline models. We find transfer learning benefits to be the strongest when only limited observational data are available. At the same time, we provide several guidelines and considerations for transfer learning practitioners, as our results show that weather data, seasonal patterns, and possible misspecification in source location can have a major impact on the results. The SolNet models created in this way are applicable for any land-based solar photovoltaic system across the planet to obtain improved forecasting capabilities.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 1223-1236"},"PeriodicalIF":6.9,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Real-time monitoring procedures for early detection of bubbles 实时监测程序,尽早发现气泡
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-27 DOI: 10.1016/j.ijforecast.2024.12.005
E.J. Whitehouse , D.I. Harvey , S.J. Leybourne
Asset price bubbles and crashes can have severe consequences for the stability of financial and economic systems. Policymakers require timely identification of such bubbles in order to respond to their emergence. In this paper we propose new econometric procedures that improve the speed of detection for an emerging asset price bubble in real time. Our new monitoring procedures make use of alternative variance standardisations that are better able to capture the behaviour of the underlying process during a bubble phase. We derive asymptotic results to show that using these alternative variance standardisations does not increase the probability of false detection under the no-bubble (unit root) null hypothesis relative to existing procedures. However, Monte Carlo simulations demonstrate that much earlier detection becomes possible with our new procedures under the bubble (explosive autoregressive) alternative. Empirical applications to OECD housing markets and bitcoin prices show the value in terms of earlier detection of bubbles that our new procedures can achieve. In particular, we show that the United States housing bubble that preceded the global financial crisis could have been detected as early as 1999:Q1 by our new procedures.
资产价格泡沫和崩溃可能对金融和经济体系的稳定造成严重后果。政策制定者需要及时识别此类泡沫,以便对其出现做出反应。在本文中,我们提出了新的计量经济学程序,以提高对新兴资产价格泡沫的实时检测速度。我们的新监测程序利用了可选择的方差标准化,它能够更好地捕获在泡沫阶段的底层过程的行为。我们推导出渐近结果,表明使用这些替代方差标准化并不会增加在无气泡(单位根)零假设下误检的概率。然而,蒙特卡罗模拟表明,在气泡(爆炸自回归)替代方案下,我们的新程序可以更早地检测到。对经合组织住房市场和比特币价格的实证应用表明,我们的新程序在早期发现泡沫方面可以实现价值。特别是,我们表明,在全球金融危机之前的美国房地产泡沫可以早在1999年第一季度就被我们的新程序发现。
{"title":"Real-time monitoring procedures for early detection of bubbles","authors":"E.J. Whitehouse ,&nbsp;D.I. Harvey ,&nbsp;S.J. Leybourne","doi":"10.1016/j.ijforecast.2024.12.005","DOIUrl":"10.1016/j.ijforecast.2024.12.005","url":null,"abstract":"<div><div>Asset price bubbles and crashes can have severe consequences for the stability of financial and economic systems. Policymakers require timely identification of such bubbles in order to respond to their emergence. In this paper we propose new econometric procedures that improve the speed of detection for an emerging asset price bubble in real time. Our new monitoring procedures make use of alternative variance standardisations that are better able to capture the behaviour of the underlying process during a bubble phase. We derive asymptotic results to show that using these alternative variance standardisations does not increase the probability of false detection under the no-bubble (unit root) null hypothesis relative to existing procedures. However, Monte Carlo simulations demonstrate that much earlier detection becomes possible with our new procedures under the bubble (explosive autoregressive) alternative. Empirical applications to OECD housing markets and bitcoin prices show the value in terms of earlier detection of bubbles that our new procedures can achieve. In particular, we show that the United States housing bubble that preceded the global financial crisis could have been detected as early as 1999:Q1 by our new procedures.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 1260-1277"},"PeriodicalIF":6.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-varying parameters as ridge regressions 时变参数作为脊回归
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-27 DOI: 10.1016/j.ijforecast.2024.08.006
Philippe Goulet Coulombe
Time-varying parameter (TVP) models are frequently used in economics to capture structural change. I highlight a rather underutilized fact—that these are actually ridge regressions. Instantly, this makes computations, tuning, and implementation much easier than in the state-space paradigm. Among other things, solving the equivalent dual ridge problem is computationally very fast even in high dimensions, and the crucial ‘amount of time variation’ is tuned by cross-validation. Evolving volatility is dealt with using a two-step ridge regression. I consider extensions that incorporate sparsity (the algorithm selects which parameters vary and which do not) and reduced-rank restrictions (variation is tied to a factor model). To demonstrate the usefulness of the approach, I use it to study the evolution of monetary policy in Canada using large time-varying local projections and TVP-VARs with demanding lag lengths. The applications require the estimation of up to 4600 TVPs, a task within the reach of the new method.
时变参数(TVP)模型在经济学中经常用于捕捉结构变化。我强调一个未被充分利用的事实,即这些实际上是脊回归。这立即使计算、调优和实现比状态空间范式容易得多。除此之外,即使在高维情况下,解决等效双脊问题的计算速度也非常快,关键的“时间变化量”是通过交叉验证来调整的。使用两步脊回归处理不断变化的波动率。我考虑了包含稀疏性(算法选择哪些参数变化,哪些参数不变化)和降阶限制(变化与因子模型相关联)的扩展。为了证明该方法的实用性,我用它来研究加拿大货币政策的演变,使用大型时变本地预测和要求滞后长度的tvp -var。应用程序需要估计多达4600个TVPs,这是新方法可以达到的任务。
{"title":"Time-varying parameters as ridge regressions","authors":"Philippe Goulet Coulombe","doi":"10.1016/j.ijforecast.2024.08.006","DOIUrl":"10.1016/j.ijforecast.2024.08.006","url":null,"abstract":"<div><div>Time-varying parameter (TVP) models are frequently used in economics to capture structural change. I highlight a rather underutilized fact—that these are actually ridge regressions. Instantly, this makes computations, tuning, and implementation much easier than in the state-space paradigm. Among other things, solving the equivalent dual ridge problem is computationally very fast even in high dimensions, and the crucial ‘amount of time variation’ is tuned by cross-validation. Evolving volatility is dealt with using a two-step ridge regression. I consider extensions that incorporate sparsity (the algorithm selects which parameters vary and which do not) and reduced-rank restrictions (variation is tied to a factor model). To demonstrate the usefulness of the approach, I use it to study the evolution of monetary policy in Canada using large time-varying local projections and TVP-VARs with demanding lag lengths. The applications require the estimation of up to 4600 TVPs, a task within the reach of the new method.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 982-1002"},"PeriodicalIF":6.9,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predicting the relative performance among financial assets: A comparative analysis of different approaches 预测金融资产的相对表现:不同方法的比较分析
IF 7.1 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-24 DOI: 10.1016/j.ijforecast.2024.12.008
Panagiotis Samartzis
We perform a comparative analysis of a wide array of approaches for the problem of forecasting the relative performance among different tradable assets in the framework of the M6 competition. To produce the forecasts, we employ various models spanning probabilistic, classification, and time-series methods, each approaching the problem from a different perspective. We demonstrate that in the case of financial forecasting, simple machine learning approaches have better performance compared to more complex deep-learning models. Furthermore, approaching the problem as a classification task appears to be beneficial. We also confirm findings from existing literature that using simple ensemble techniques can improve performance, and that forecasting performance is better for exchange-traded funds and assets that have lower idiosyncratic volatility. Finally, we benchmark our results against the performance of teams that participated in the M6 competition.
我们对M6竞争框架下预测不同可交易资产之间相对表现的各种方法进行了比较分析。为了产生预测,我们采用了各种模型,包括概率、分类和时间序列方法,每个模型都从不同的角度来处理问题。我们证明,在财务预测的情况下,简单的机器学习方法比更复杂的深度学习模型具有更好的性能。此外,将问题作为分类任务来处理似乎是有益的。我们也证实了现有文献的发现,即使用简单的集成技术可以提高绩效,并且对具有较低特质波动率的交易所交易基金和资产的预测绩效更好。最后,我们将我们的结果与参加M6竞赛的团队的表现进行比较。
{"title":"Predicting the relative performance among financial assets: A comparative analysis of different approaches","authors":"Panagiotis Samartzis","doi":"10.1016/j.ijforecast.2024.12.008","DOIUrl":"10.1016/j.ijforecast.2024.12.008","url":null,"abstract":"<div><div>We perform a comparative analysis of a wide array of approaches for the problem of forecasting the relative performance<span> among different tradable assets in the framework of the M6 competition. To produce the forecasts, we employ various models spanning probabilistic, classification, and time-series methods, each approaching the problem from a different perspective. We demonstrate that in the case of financial forecasting, simple machine learning approaches<span> have better performance compared to more complex deep-learning models. Furthermore, approaching the problem as a classification task appears to be beneficial. We also confirm findings from existing literature that using simple ensemble techniques can improve performance, and that forecasting performance is better for exchange-traded funds and assets that have lower idiosyncratic volatility. Finally, we benchmark our results against the performance of teams that participated in the M6 competition.</span></span></div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 4","pages":"Pages 1428-1449"},"PeriodicalIF":7.1,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predicting value at risk for cryptocurrencies with generalized random forests 用广义随机森林预测加密货币的风险值
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-24 DOI: 10.1016/j.ijforecast.2024.12.002
Rebekka Buse , Konstantin Görgen , Melanie Schienle
We study the prediction of value at risk (VaR) for cryptocurrencies. In contrast to classic assets, returns of cryptocurrencies are often highly volatile and characterized by large fluctuations around single events. Analyzing a comprehensive set of 105 major cryptocurrencies, we show that generalized random forests (GRF) adapted to quantile prediction have superior performance over other established methods such as quantile regression, GARCH-type models, and CAViaR models. This advantage is especially pronounced in unstable times and for classes of highly volatile cryptocurrencies. Furthermore, we identify important predictors during such times and show their influence on forecasting over time. Moreover, a comprehensive simulation study indicates that the GRF methodology is at least on par with existing methods in VaR predictions for standard types of financial returns, and clearly superior in the cryptocurrency setup.
我们研究了加密货币的风险价值(VaR)预测。与传统资产相比,加密货币的回报往往波动很大,其特点是围绕单一事件出现大幅波动。通过对105种主要加密货币的综合分析,我们发现适应分位数预测的广义随机森林(GRF)比其他已建立的方法(如分位数回归、garch型模型和CAViaR模型)具有更好的性能。这种优势在不稳定时期和高度波动的加密货币类别中尤为明显。此外,我们确定了这些时期的重要预测因素,并显示了它们随时间对预测的影响。此外,一项全面的模拟研究表明,GRF方法至少与标准类型财务回报的VaR预测方法相当,并且在加密货币设置中明显优于现有方法。
{"title":"Predicting value at risk for cryptocurrencies with generalized random forests","authors":"Rebekka Buse ,&nbsp;Konstantin Görgen ,&nbsp;Melanie Schienle","doi":"10.1016/j.ijforecast.2024.12.002","DOIUrl":"10.1016/j.ijforecast.2024.12.002","url":null,"abstract":"<div><div>We study the prediction of value at risk (VaR) for cryptocurrencies. In contrast to classic assets, returns of cryptocurrencies are often highly volatile and characterized by large fluctuations around single events. Analyzing a comprehensive set of 105 major cryptocurrencies, we show that generalized random forests (GRF) adapted to quantile prediction have superior performance over other established methods such as quantile regression, GARCH-type models, and CAViaR models. This advantage is especially pronounced in unstable times and for classes of highly volatile cryptocurrencies. Furthermore, we identify important predictors during such times and show their influence on forecasting over time. Moreover, a comprehensive simulation study indicates that the GRF methodology is at least on par with existing methods in VaR predictions for standard types of financial returns, and clearly superior in the cryptocurrency setup.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 1199-1222"},"PeriodicalIF":6.9,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How does training improve individual forecasts? Modeling differences in compensatory and non-compensatory biases in geopolitical forecasts 培训如何提高个人预测?地缘政治预测中补偿性和非补偿性偏差的建模差异
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-22 DOI: 10.1016/j.ijforecast.2024.12.001
Vahid Karimi Motahhar , Thomas S. Gruca
Biases in human forecasters lead to poor calibration. We assess how formal training affects two types of bias in probabilistic forecasts of binary outcomes. Compensatory bias occurs when underestimation in one range of probabilities (e.g., less than 50%) is accompanied by overestimation in the opposite range. Non-compensatory bias occurs when the direction of misestimation is consistent throughout the entire range of probabilities. We present a new approach to modeling probabilistic forecasts to determine the extent and direction of compensatory and non-compensatory biases. Using data from the Good Judgment Project, we model the effects of training (randomly assigned) on the calibration of 39,481 initial forecasts from 851 forecasters across two years of the contest. The forecasts exhibit significant indications of both compensatory and non-compensatory biases across all forecasters. Training significantly reduces the compensatory bias in both years. It reduces the non-compensatory bias only in the second year of the contest.
人类预报员的偏见导致了糟糕的校准。我们评估了正规训练如何影响二元结果的概率预测中的两种类型的偏差。当一个概率范围内的低估(例如,小于50%)伴随着相反范围内的高估时,就会出现补偿性偏差。当错误估计的方向在整个概率范围内一致时,就会发生非补偿性偏差。我们提出了一种新的方法来建模概率预测,以确定补偿和非补偿偏差的程度和方向。使用来自Good Judgment Project的数据,我们对训练(随机分配)对来自851名预报员的39,481个初始预测的校准的影响进行了建模。所有预测者的预测都显示出显著的补偿性和非补偿性偏差。在这两年中,培训显著减少了补偿性偏差。它只在比赛的第二年减少了非补偿性偏见。
{"title":"How does training improve individual forecasts? Modeling differences in compensatory and non-compensatory biases in geopolitical forecasts","authors":"Vahid Karimi Motahhar ,&nbsp;Thomas S. Gruca","doi":"10.1016/j.ijforecast.2024.12.001","DOIUrl":"10.1016/j.ijforecast.2024.12.001","url":null,"abstract":"<div><div>Biases in human forecasters lead to poor calibration. We assess how formal training affects two types of bias in probabilistic forecasts of binary outcomes. Compensatory bias occurs when underestimation in one range of probabilities (e.g., less than 50%) is accompanied by overestimation in the opposite range. Non-compensatory bias occurs when the direction of misestimation is consistent throughout the entire range of probabilities. We present a new approach to modeling probabilistic forecasts to determine the extent and direction of compensatory and non-compensatory biases. Using data from the Good Judgment Project, we model the effects of training (randomly assigned) on the calibration of 39,481 initial forecasts from 851 forecasters across two years of the contest. The forecasts exhibit significant indications of both compensatory and non-compensatory biases across all forecasters. Training significantly reduces the compensatory bias in both years. It reduces the non-compensatory bias only in the second year of the contest.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 2","pages":"Pages 487-498"},"PeriodicalIF":6.9,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143579234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quasi-average predictions and regression to the trend: An application to the M6 financial forecasting competition 准平均预测与趋势回归:在M6财务预测竞赛中的应用
IF 7.1 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-22 DOI: 10.1016/j.ijforecast.2024.12.006
Jose M.G. Vilar
This paper presents the winning method that achieved fifth place overall in the M6 financial forecasting competition. The method is based on the idea that, under the efficient market hypothesis, it is often more effective to predict values close to the expected averages of categories and trends than to try to make precise predictions. By leveraging low-variability prediction methods, we forecast both the relative performance of multiple assets and their optimal investment positions. We demonstrate that combining asset-class and temporal averages yields modest but consistent advantages over reference indices. The results highlight the challenges of achieving above-average returns in efficient markets and the potential benefits of low-variability prediction methods in such contexts.
本文介绍了在M6财务预测大赛中获得综合第五名的获胜方法。该方法基于这样一种观点,即在有效市场假说下,预测接近类别和趋势的预期平均值的值往往比试图做出精确的预测更有效。通过利用低变异性预测方法,我们预测了多种资产的相对表现及其最优投资头寸。我们证明,与参考指数相比,资产类别和时间平均相结合产生适度但一致的优势。研究结果强调了在有效市场中实现高于平均水平回报的挑战,以及在这种情况下低变异性预测方法的潜在好处。
{"title":"Quasi-average predictions and regression to the trend: An application to the M6 financial forecasting competition","authors":"Jose M.G. Vilar","doi":"10.1016/j.ijforecast.2024.12.006","DOIUrl":"10.1016/j.ijforecast.2024.12.006","url":null,"abstract":"<div><div>This paper presents the winning method that achieved fifth place overall in the M6 financial forecasting competition. The method is based on the idea that, under the efficient market hypothesis, it is often more effective to predict values close to the expected averages of categories and trends than to try to make precise predictions. By leveraging low-variability prediction methods, we forecast both the relative performance of multiple assets and their optimal investment positions. We demonstrate that combining asset-class and temporal averages yields modest but consistent advantages over reference indices. The results highlight the challenges of achieving above-average returns in efficient markets and the potential benefits of low-variability prediction methods in such contexts.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 4","pages":"Pages 1505-1513"},"PeriodicalIF":7.1,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Forecasting stock market return with anomalies: Evidence from China 用异常预测股市回报:来自中国的证据
IF 6.9 2区 经济学 Q1 ECONOMICS Pub Date : 2025-01-21 DOI: 10.1016/j.ijforecast.2024.12.007
Jianqiu Wang , Zhuo Wang , Ke Wu
We empirically investigate the relation between anomaly portfolio returns and market return predictability in the Chinese stock market. Using 132 long-leg, short-leg, and long-short anomaly portfolio returns, we employ various shrinkage-based statistical learning methods to capture predictive signals of the anomalies in a high-dimensional setting. Our analysis reveals statistically and economically significant return predictability using long- and short-leg anomaly portfolio returns. Moreover, high arbitrage risk enhances forecasting performance, supporting that the predictability stems from mispricing correction persistence. Contrary to findings in the US stock market, we find little evidence that the long-short anomaly portfolios contribute to market return predictability in China, due to the low persistence of asymmetric mispricing corrections. We provide simulation evidence to justify the distinct prediction patterns for the US and Chinese stock markets.
本文对中国股票市场异常投资组合收益与市场收益可预测性之间的关系进行了实证研究。利用132个长腿、短腿和多空异常组合回报,我们采用各种基于收缩的统计学习方法来捕获高维环境下异常的预测信号。我们的分析揭示了使用长腿和短腿异常投资组合回报的统计和经济上显著的回报可预测性。此外,高套利风险增强了预测绩效,支持可预测性源于错误定价修正的持久性。与美国股市的研究结果相反,我们发现很少有证据表明多空异常投资组合有助于中国市场回报的可预测性,因为不对称错误定价修正的持久性较低。我们提供了模拟证据来证明美国和中国股市的不同预测模式。
{"title":"Forecasting stock market return with anomalies: Evidence from China","authors":"Jianqiu Wang ,&nbsp;Zhuo Wang ,&nbsp;Ke Wu","doi":"10.1016/j.ijforecast.2024.12.007","DOIUrl":"10.1016/j.ijforecast.2024.12.007","url":null,"abstract":"<div><div>We empirically investigate the relation between anomaly portfolio returns and market return predictability in the Chinese stock market. Using 132 long-leg, short-leg, and long-short anomaly portfolio returns, we employ various shrinkage-based statistical learning methods to capture predictive signals of the anomalies in a high-dimensional setting. Our analysis reveals statistically and economically significant return predictability using long- and short-leg anomaly portfolio returns. Moreover, high arbitrage risk enhances forecasting performance, supporting that the predictability stems from mispricing correction persistence. Contrary to findings in the US stock market, we find little evidence that the long-short anomaly portfolios contribute to market return predictability in China, due to the low persistence of asymmetric mispricing corrections. We provide simulation evidence to justify the distinct prediction patterns for the US and Chinese stock markets.</div></div>","PeriodicalId":14061,"journal":{"name":"International Journal of Forecasting","volume":"41 3","pages":"Pages 1278-1295"},"PeriodicalIF":6.9,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144211944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
International Journal of Forecasting
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1