Rising Temperatures, Falling Ratings: The Effect of Climate Change on Sovereign Creditworthiness

Forschungsbereich: Financial Markets
Forscher: Matthew Agarwala,
Matt Burke,
Patrycja Klusak,
Moritz Kraemer,
Kamiar Mohaddes
Datum: 1.4.2021

How will a changing climate impact the creditworthiness of governments over the very long term? Financial markets need credible, digestible information on how climate change translates into material risks. To bridge the gap between climate science and real-world financial indicators, the authors simulate the effect of climate change on sovereign credit ratings for 108 countries, creating the world’s first climate-adjusted sovereign credit rating. The study offers a first methodological approach to extend the long-term rating to an ultra-long-term reality, aiming at long-term investors, but also regulators and rating agencies.

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