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Measuring weather exposure with annual reports

Author

Listed:
  • Venky Nagar

    (University of Michigan)

  • Jordan Schoenfeld

    (University of Utah)

Abstract

The FASB and IFRS Foundation’s International Sustainability Standards Board have called for measuring individual firms’ exposure to weather, a fundamentally amorphous concept, as a first step toward quantifying the impact of environmental factors on financial reporting. This study builds a large-scale measure of individual firm exposure to weather using linguistic analysis of annual reports. Preliminary analyses suggest that weather is a determinant of our measure: e.g., the measure increases significantly after the firm gets hit by a severe storm. Despite being constructed from largely backward-looking mandated reports, our measure is forward looking in that it can predict variation in returns around future extreme weather events. Exposure to our measure is also priced as a risk factor, further establishing its forward-looking nature systematically in the cross-section. Our measure appears to reasonably capture a firm’s business exposure to weather, thus showcasing the power of accounting to measure the economic impact of environmental, social, and governance (ESG) factors.

Suggested Citation

  • Venky Nagar & Jordan Schoenfeld, 2024. "Measuring weather exposure with annual reports," Review of Accounting Studies, Springer, vol. 29(1), pages 1-32, March.
    • Handle: RePEc:spr:reaccs:v:29:y:2024:i:1:d:10.1007_s11142-022-09711-2
    DOI: 10.1007/s11142-022-09711-2
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    More about this item

    Keywords

    Annual reports; Asset pricing; Climate; CSR; ESG; Weather;
    All these keywords.

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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