Theoretical Foundation for Pricing Climate-Related Loss and Damage in Infrastructure Financing

Abderrahim Assab ()
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Abderrahim Assab: Accounting and Finance Group, University of Edinburgh Business School, University of Edinburgh, Edinburgh EH8 9JX, UK

JRFM, 2024, vol. 17, issue 4, 1-22

Abstract: This paper presents a novel theoretical framework for incorporating climate risks and adaptation investments into infrastructure debt pricing. Utilizing the Capital Asset Pricing Model (CAPM), the framework extends the conventional modeling of infrastructure project revenues and costs to include climate risk considerations. It proposes three climate-informed revenue and cost formulations: adjustmentment of mean and standard deviation, incorporation of extreme climate events via Pareto and Poisson distributions, and a climate-informed cost model that includes adaptation investment. The paper demonstrates the application of this model in pricing a loan for a Light Rail Transit project in Costa Rica, introducing the concepts of “flood risk premium” and “adaptation curves”. This study not only offers a novel lens through which to view infrastructure investment under climate uncertainty but also sets the stage for transformative policy and practice in financial risk assessment, encouraging a shift towards more sustainable and resilient infrastructure development.

Keywords: physical climate risk; asset pricing; climate analytics; infrastructure finance; climate finance (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2024
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