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Optimal risk management considering environmental and climatic changes.

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
Summary
This summary is machine-generated.

This study introduces a novel Markov-switching model to manage climate risk in investment strategies. Our risk-averse approach enhances portfolio resilience against climate-related economic instability.

Keywords:
Markov‐switchingclimate changeenvironmental risksinvestmentrisk aversiontrading strategyutility function

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Area of Science:

  • Environmental economics
  • Financial risk management
  • Climate change adaptation

Background:

  • Climate change poses significant risks to economic stability and policy-making.
  • Existing investment strategies often fail to adequately address climate-related environmental risks.
  • There is a need for advanced models to integrate climate risk into financial decision-making.

Purpose of the Study:

  • To develop and evaluate a novel trading strategy that incorporates climate risk.
  • To optimize investment utility using a risk-averse hedging approach.
  • To address the limitations of current studies in modeling climate risk impacts.

Main Methods:

  • Utilized a Markov-switching model to analyze climate risk.
  • Employed backward stochastic differential equations for utility optimization.
  • Developed and tested three distinct hedging strategies based on risk aversion.

Main Results:

  • The proposed Markov-switching model effectively incorporates exogenous climate events.
  • The developed risk-averse strategy significantly outperforms traditional investment approaches.
  • Flexible risk trading within the strategy adapts to investor risk aversion driven by climate events.

Conclusions:

  • The findings highlight the importance of integrating climate risk into investment strategies.
  • The proposed model and strategy offer a pathway to more resilient investment portfolios.
  • This research provides valuable insights for climate policy and financial risk management.