在供应链中管理与恐慌购买相关的不稳定性:从COVID-19大流行的角度来看
Towfique Rahman1, Sanjoy Kumar Paul1, Nagesh Shukla2
1UTS Business School, University of Technology Sydney, Sydney, Australia.
概括
在COVID-19大流行期间,全球供应链 (SC) 面临重大破坏. 一个基于代理的模型 (ABM) 模拟确定了策略,比如最大化生产能力,以减轻必要产品供应链中的恐慌购买不稳定性.
科学领域:
- 运营研究 运营研究
- 供应链管理 供应链管理
- 计算社会科学 计算社会科学
背景情况:
- 由于COVID-19大流行,全球供应链 (SC) 发生了广泛的破坏.
- 恐慌购买行为加剧了SCs内部的供应,需求和产能不稳定.
- 基本产品制造商在维持运营连续性方面面临前所未有的挑战.
研究的目的:
- 开发一个基于代理的模型 (ABM) 来预测恐慌购买对SCs的影响.
- 识别和评估增强SC抗疫能力的战略,以应对与流行病相关的干扰.
- 为了在不稳定的条件下优化一个重要的产品SC的性能.
主要方法:
- 开发了一个基于代理的模型 (ABM) 来模拟典型的纸供应链.
- 该模型包含生产能力,重新订单点,订单大小和运输的参数.
- 用场景分析和优化技术来测试各种缓解策略.
主要成果:
- 将生产能力提高到最高水平显著减少了SC的不稳定性.
- 优化重新订单点,订单大小和卡车分配在缓解恐慌购买效应方面被证明是有效的.
- 模拟显示了可量化的SC稳定性和响应性的改善.
结论:
- 基于代理的建模为了解和解决SC漏洞提供了有价值的工具.
- 专注于容量和库存管理的积极战略对于SC弹性至关重要.
- 通过战略优化,基本产品的SC可以更好地为未来的干扰做好准备.
相关概念视频
Panic Disorder
110
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
110
Psychological Responses to Stress
54
Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
54
Anxiety: Overview
265
Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
265
Generalized Anxiety Disorder
132
Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
132
Acute Pancreatitis II: Clinical Manifestations and Management
122
Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
122
Stress and Mental Health
149
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
149


