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Global concern over food prices and security has been exacerbated by the impacts of armed conflicts such as the Russia Ukraine War, pandemic diseases, and climate change. Traditionally, analyzing global food prices and their associations…

应用统计 · 统计学 2025-06-06 Shan Shan

Anticipating the outbreak of a food crisis is crucial to efficiently allocate emergency relief and reduce human suffering. However, existing food insecurity early warning systems rely on risk measures that are often delayed, outdated, or…

计算与语言 · 计算机科学 2021-12-01 Ananth Balashankar , Lakshminarayanan Subramanian , Samuel P. Fraiberger

Early warning systems are an essential tool for effective humanitarian action. Advance warnings on impending disasters facilitate timely and targeted response which help save lives and livelihoods. In this work we present a quantitative…

Accurate prediction of agricultural crop prices is a crucial input for decision-making by various stakeholders in agriculture: farmers, consumers, retailers, wholesalers, and the Government. These decisions have significant implications…

Increases in global food prices have led to widespread hunger and social unrest---and an imperative to understand their causes. In a previous paper published in September 2011, we constructed for the first time a dynamic model that…

物理与社会 · 物理学 2012-04-03 Marco Lagi , Yavni Bar-Yam , Karla Z. Bertrand , Yaneer Bar-Yam

The escalating food insecurity in Africa, caused by factors such as war, climate change, and poverty, demonstrates the critical need for advanced early warning systems. Traditional methodologies, relying on expert-curated data encompassing…

人工智能 · 计算机科学 2023-11-21 Yongsu Ahn , Muheng Yan , Yu-Ru Lin , Zian Wang

Ensuring food security is a critical global challenge, particularly for low-income countries where food prices impact the access to nutritious food. The volatility of global agricultural commodity (AC) prices exacerbates food insecurity,…

综合经济学 · 经济学 2025-03-04 Rotem Zelingher

The growing instability of both global and domestic economic environments has increased the risk of financial distress at the household level. However, traditional econometric models often rely on delayed and aggregated data, limiting their…

The world is becoming more globalized every day and people can buy products from almost every country in the world in their local stores. Given the different food and feed safety laws from country to country, the European Union began to…

机器学习 · 计算机科学 2022-02-16 Alberto Nogales , Rodrigo Díaz Morón , Álvaro J. García-Tejedor

Wheat is the main agricultural crop of Pakistan and is a staple food requirement of almost every Pakistani household making it the main strategic commodity of the country whose availability and affordability is the government's main…

机器学习 · 计算机科学 2021-03-09 Ahmed Rasheed , Muhammad Shahzad Younis , Farooq Ahmad , Junaid Qadir , Muhammad Kashif

In this work, we address a lack of systematic understanding of fluctuations in food affordability in Canada. Canada's Food Price Report (CPFR) is an annual publication that predicts food inflation over the next calendar year. The published…

Food security, a global concern, necessitates precise and diverse data-driven solutions to address its multifaceted challenges. This paper explores the integration of AI foundation models across various food security applications,…

人工智能 · 计算机科学 2023-11-01 Mohamed R. Shoaib , Heba M. Emara , Jun Zhao

Reports from the Famine Early Warning Systems Network (FEWSNET) serve as the benchmark for food security predictions which is crucial for stakeholders in planning interventions and support people in need. This paper assesses the predictive…

数值分析 · 数学 2024-10-15 Marco Bertetti , Paolo Agnolucci , Alvaro Calzadilla , Licia Capra

With billions of people facing moderate or severe food insecurity, the resilience of the global food supply will be of increasing concern due to the effects of climate change and geopolitical events. In this paper we describe a framework to…

计算机视觉与模式识别 · 计算机科学 2024-11-12 David Willmes , Nick Krall , James Tanis , Zachary Terner , Fernando Tavares , Chris Miller , Joe Haberlin , Matt Crichton , Alexander Schlichting

Precise probabilistic forecasts are fundamental for energy risk management, and there is a wide range of both statistical and machine learning models for this purpose. Inherent to these probabilistic models is some form of uncertainty…

机器学习 · 计算机科学 2025-10-10 Andreas Lebedev , Abhinav Das , Sven Pappert , Stephan Schlüter

With exponential growth in the human population, it is vital to conserve natural resources without compromising on producing enough food to feed everyone. Doing so can improve people's livelihoods, health, and ecosystems for the present and…

机器学习 · 计算机科学 2022-09-16 Fiona Victoria Stanley Jothiraj

Range-based volatility estimators are widely used in financial econometrics to quantify risk and market stress, yet their application to local commodity markets remains limited. This paper shows how open-high--low-close (OHLC) volatility…

统计金融 · 定量金融 2026-03-04 Bo Pieter Johannes Andrée

The global food system faces various endogeneous and exogeneous, biotic and abiotic risk factors, including a rising human population, higher population densities, price volatility and climate change. Quantitative models play an important…

综合经济学 · 经济学 2020-12-16 Conor Goold , Simone Pfuderer , William H. M. James , Nik Lomax , Fiona Smith , Lisa M. Collins

Item Price Elasticity is used to quantify the responsiveness of consumer demand to changes in item prices, enabling businesses to create pricing strategies and optimize revenue management. Sectors such as store retail, e-commerce, and…

机器学习 · 计算机科学 2026-05-12 Lakshya Garg , Sai Yaswanth , Deep Narayan Mishra , Karthik Kumaran , Anupriya Sharma , Mayank Uniyal

For both investors and policymakers, forecasting the stock market is essential as it serves as an indicator of economic well-being. To this end, we harness the power of social media data, a rich source of public sentiment, to enhance the…

机器学习 · 计算机科学 2023-10-31 Shengkun Wang , YangXiao Bai , Kaiqun Fu , Linhan Wang , Chang-Tien Lu , Taoran Ji
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