Green Shields is the shorter title for the ESG monetary-transmission project. It frames the same empirical question in more intuitive language: can environmental or ESG characteristics shield firms from monetary-policy stress, or can they create a different kind of exposure?
The answer is asymmetric. ESG-related characteristics may appear protective in some current-rate contexts, but the central and more stable evidence is about forward-guidance or path surprises. Long-horizon policy news interacts with environmental performance in a way that changes over time.
This page presents the shorter Green Shields title while keeping the empirical claim tied to the fuller environmental-performance paper. It directs readers to the related detailed page for the complete research design, results, and citation record.
The project should not be summarised as 'green firms always benefit from monetary tightening'.
Research question
How should the ESG monetary-transmission project be summarised under the Green Shields title?
Why it matters
The title is useful for public communication, but the evidence must remain precise. Green characteristics are not simply a universal shield; the relevant heterogeneity is channel-specific and time-varying.
Data and method
Data
The page uses the same high-frequency FOMC event data, firm-level equity returns, environmental/ESG scores, and firm controls as the Monetary Policy Transmission and Environmental Performance paper.
Method
The empirical approach is the same target-path high-frequency design described in the related page. This page emphasises the public-facing interpretation while preserving the paper's narrower evidence.
Findings
Not a universal shield
The project should not be summarised as 'green firms always benefit from monetary tightening'.
Forward guidance matters
The main heterogeneity appears in path surprises rather than current-rate surprises.
Time variation matters
The relationship changes after 2015, consistent with changes in green-finance market structure.
Use the related page
For full empirical details, use the Monetary Policy Transmission and Environmental Performance page.
The page preserves a memorable research label while linking it to the more precise empirical project and citation record.
Figures and tables
| Evidence | Result | Interpretation |
|---|---|---|
| Current-rate shocks | Evidence is weaker and less stable | A simple shield story is incomplete. |
| Forward-guidance shocks | Core heterogeneity appears in the path channel | Long-horizon policy news is the main mechanism to discuss. |
| Paris-era shift | Relationship attenuates after 2015 | Green-finance market development changes transmission. |
| Citation practice | Cite the full environmental-performance paper | The Green Shields label should not fragment the source record. |
Scope and limits
Green Shields is a public-facing project title for the environmental-performance paper. Readers should cite the full paper title unless specifically referring to the project label.
How to cite
APA
Kansoy, F., & Stasiulaitis, D. (2025). Green Shields: The Role of ESG in Uncertain Times. University of Oxford Department of Economics Discussion Papers. https://fatih.ai/
Chicago
Kansoy, Fatih, and Dominykas Stasiulaitis. 2025. "Green Shields: The Role of ESG in Uncertain Times." University of Oxford Department of Economics Discussion Papers. https://fatih.ai/
Harvard
Kansoy, F., & Stasiulaitis, D. 2025, 'Green Shields: The Role of ESG in Uncertain Times', University of Oxford Department of Economics Discussion Papers, available at: https://fatih.ai/
@article{kansoy2025green,
title = {Green Shields: The Role of ESG in Uncertain Times},
author = {Fatih Kansoy and Dominykas Stasiulaitis},
journal = {University of Oxford Department of Economics Discussion Papers},
year = {2025},
url = {https://fatih.ai/esg.pdf}
}Selected references
- Bolton, P. and Kacperczyk, M. 2021. Do investors care about carbon risk?
- Bolton, P. and Kacperczyk, M. 2023. Global pricing of carbon-transition risk.
- Gurkaynak, R. S., Sack, B., and Swanson, E. 2005. Do actions speak louder than words?
- Swanson, E. Monetary policy surprise decomposition used for longer-horizon policy news.
- ESG and sustainable-finance literature cited in the related full paper.