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相关概念视频

What is Climate?01:16

What is Climate?

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Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
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There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
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相关实验视频

Updated: Jun 28, 2025

An R-Based Landscape Validation of a Competing Risk Model
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An R-Based Landscape Validation of a Competing Risk Model

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考虑到环境和气候变化的最佳风险管理.

Ramzi Benkraiem1, Youssef El-Khatib2, Jun Fan3

  • 1Audencia Business School Nantes, Nantes, France.

Risk analysis : an official publication of the Society for Risk Analysis
|April 15, 2024
PubMed
概括

本研究介绍了一种新的马尔科夫切换模型,用于在投资策略中管理气候风险. 我们的风险回避方法提高了对气候相关经济不稳定的投资组合抵御力.

关键词:
马尔科夫切换是什么意思气候变化 气候变化 气候变化环境风险 环境风险投资投资是投资的投资方式.避免风险,避免风险.交易策略 交易战略 交易策略公用事业的功能是公用事业功能.

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相关实验视频

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科学领域:

  • 环境经济学环境经济学
  • 金融风险管理 金融风险管理
  • 适应气候变化 适应气候变化

背景情况:

  • 气候变化对经济稳定和政策制定构成重大风险.
  • 现有的投资策略往往无法充分解决与气候有关的环境风险.
  • 需要先进的模型来将气候风险纳入财务决策.

研究的目的:

  • 开发和评估一种包含气候风险的新型交易策略.
  • 使用风险避险对冲方法优化投资效益.
  • 解决当前研究在建模气候风险影响方面的局限性.

主要方法:

  • 利用马尔科夫切换模型来分析气候风险.
  • 采用逆向随机微分方程来优化公用事业.
  • 开发并测试了基于风险厌恶的三个不同的对冲策略.

主要成果:

  • 拟议的马尔科夫切换模型有效地结合了外源气候事件.
  • 开发的避风险策略显著优于传统的投资方法.
  • 战略中的灵活风险交易适应了由气候事件驱动的投资者风险厌恶.

结论:

  • 调查结果强调了将气候风险纳入投资战略的重要性.
  • 拟议的模型和战略为更有弹性的投资组合提供了一条途径.
  • 这项研究为气候政策和金融风险管理提供了宝贵的见解.