Research and publications
Measuring and Managing ESG Risks in Sovereign Bond Portfolios and Implications for Sovereign Debt Investing
The Journal of Portfolio Management, Vol. 48, Issue 2, Quantitative Special Issue 2022.
Author(s):
Lionel Martellini, Lou-Salomé Vallée
Summary:
The Journal of Portfolio Management, Vol. 48, Issue 2, Quantitative Special Issue 2022.
This article shows that implementation choices matter with respect to how environment, social, and governance (ESG) constraints are incorporated in sovereign bond portfolio construction.
In particular, the authors confirm that negative screening leads to more diversified portfolios and lower levels of tracking error, whereas positive screening leads to higher levels of improvement of ESG scores, at the cost of an increase in absolute and relative risk budgets. The authors also find that a dedicated focus on absolute or relative risk reduction at the selection stage allows investors to reduce the opportunity costs along the dimension that is most important to them.
Overall, the results suggest that sound risk management practices are critically important in allowing investors to incorporate ESG constraints in investment decisions at an acceptable cost in terms of dollar or risk budgets.
TOPICS: ESG investing, fixed income and structured finance, global markets, portfolio construction
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Register/Log in| Type : | Academic Publication |
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| Date : | 01/09/2021 |
| Editor : | Portfolio Management Research |
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