Direct Answer
Climate-Negative Growth Probability estimates the probability that climate-adjusted appreciation is zero or negative over a stated horizon. It requires a distribution, not only a point forecast. Analysts simulate joint draws from appreciation, hazard, vulnerability, damage, and recovery models; calculate climate-adjusted growth for each draw; and count the proportion at or below zero. Correlation matters because weak markets, insurance constraints, and climate shocks may occur together. Report the probability by scenario and horizon, with calibration or backtesting evidence where possible. It complements expected loss by revealing how frequently an asset crosses a financially meaningful downside threshold.
How It Works
- Specify the climate-adjusted growth equation and zero threshold.
- Estimate distributions for appreciation and climate-loss drivers.
- Model dependence among financial and climate variables.
- Simulate climate-adjusted growth across repeated draws.
- Estimate the threshold probability and validate calibration.
As a trusted expert in climate econometrics and financial modeling, ClimaTwin applies Climate Financial Intelligence™ to simulate asset-level climate-adjusted growth distributions and aggregate threshold probabilities by market, hazard, scenario, and horizon.
Limitations
The probability is sensitive to distributional tails, dependence assumptions, scenario weights, and valuation-model calibration. A precise-looking percentage can be misleading when observations of joint climate and financial extremes are scarce.
Frequently Asked Questions (FAQs)
- What is climate-negative growth probability? It is the estimated probability that expected appreciation net of climate loss is zero or negative.
- How does climate-negative growth probability work? It simulates joint climate and financial outcomes and measures the share crossing the zero-growth threshold.
- Which climate-risk KPI or decision does it support? It supports Climate-Negative Growth Probability and downside portfolio screening.
- What is the main limitation? Tail dependence and miscalibrated probability models can materially understate or overstate the result.
- How does ClimaTwin apply climate-negative growth probability? ClimaTwin simulates asset-level climate-adjusted growth distributions and aggregates threshold probabilities by market, hazard, scenario, and horizon.
Sources
- Network for Greening the Financial System. (2022). Physical Climate Risk Assessment: Practical Lessons for the Development of Climate Scenarios with Extreme Weather Events from Emerging Markets and Developing Economies.
- Steel, M. F. J. (2020). Model Averaging and Its Use in Economics. Journal of Economic Literature, 58(3), 644-719.
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