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Environmental score and bond pricing: it better be good, it better be green

Author

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  • Fornari, Fabio
  • Pianeselli, Daniele
  • Zaghini, Andrea

Abstract

We provide empirical evidence that the pricing of green bonds tends to be highly sophisticated and based on a two-tiered approach. When buying a green bond, investors do not look only at the presence of a green label, but also consider additional characteristics of the bond that involve the environmental score of the issuer and the soundness of the underlying project. By comparing the yields at issuance of green bonds to those of a matched control sample of conventional bonds, our baseline specification identifies a premium of 16 basis points for the green label alone. Furthermore, when the environmental score of the issuer is in the top tercile of the cross-sectional distribution of such an indicator across the analyzed issuers, the greenium nearly doubles. Green certification and periods of heightened climate uncertainty also significantly affect the size of the greenium. JEL Classification: G12, G15, C21, C58, Q56

Suggested Citation

  • Fornari, Fabio & Pianeselli, Daniele & Zaghini, Andrea, 2026. "Environmental score and bond pricing: it better be good, it better be green," Working Paper Series 3176, European Central Bank.
    • Handle: RePEc:ecb:ecbwps:20263176
    Note: 495651
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    References listed on IDEAS

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    1. Kristin Ulrike Löffler & Aleksandar Petreski & Andreas Stephan, 2021. "Drivers of green bond issuance and new evidence on the “greenium”," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 11(1), pages 1-24, March.
    2. Dario Caldara & Matteo Iacoviello, 2022. "Measuring Geopolitical Risk," American Economic Review, American Economic Association, vol. 112(4), pages 1194-1225, April.
    3. Alessandro Moro & Andrea Zaghini, 2025. "The green sin: how exchange rate volatility and financial openness affect green premia," Review of Finance, European Finance Association, vol. 29(4), pages 1189-1217.
    4. Paolo Angelini, 2024. "Portfolio decarbonisation strategies: questions and suggestions," Questioni di Economia e Finanza (Occasional Papers) 840, Bank of Italy, Economic Research and International Relations Area.
    5. Zerbib, Olivier David, 2019. "The effect of pro-environmental preferences on bond prices: Evidence from green bonds," Journal of Banking & Finance, Elsevier, vol. 98(C), pages 39-60.
    6. Hainmueller, Jens, 2012. "Entropy Balancing for Causal Effects: A Multivariate Reweighting Method to Produce Balanced Samples in Observational Studies," Political Analysis, Cambridge University Press, vol. 20(1), pages 25-46, January.
    7. Fatica, Serena & Panzica, Roberto & Rancan, Michela, 2021. "The pricing of green bonds: Are financial institutions special?," Journal of Financial Stability, Elsevier, vol. 54(C).
    8. Guesmi, Khaled & Makrychoriti, Panagiota & Pyrgiotakis, Emmanouil G., 2025. "Climate change exposure and green bonds issuance," Journal of International Money and Finance, Elsevier, vol. 152(C).
    9. Tang, Dragon Yongjun & Zhang, Yupu, 2020. "Do shareholders benefit from green bonds?," Journal of Corporate Finance, Elsevier, vol. 61(C).
    10. Andrea Zaghini, 2025. "Correction to: The Covid Pandemic in the Market: Infected, Immune and Cured Bonds," Journal of Financial Services Research, Springer;Western Finance Association, vol. 67(1), pages 53-53, April.
    11. Flammer, Caroline, 2021. "Corporate green bonds," Journal of Financial Economics, Elsevier, vol. 142(2), pages 499-516.
    12. Benkraiem, Ramzi & Dimic, Nebojsa & Piljak, Vanja & Swinkels, Laurens & Vulanovic, Milos, 2025. "Media-based climate risks and international corporate bond market," Journal of International Money and Finance, Elsevier, vol. 151(C).
    13. David Ardia & Keven Bluteau & Kris Boudt & Koen Inghelbrecht, 2023. "Climate Change Concerns and the Performance of Green vs. Brown Stocks," Management Science, INFORMS, vol. 69(12), pages 7607-7632, December.
    14. Tang, Ying & Wang, Biliang & Pan, Ningning & Li, Zhiyong, 2023. "The impact of environmental information disclosure on the cost of green bond: Evidence from China," Energy Economics, Elsevier, vol. 126(C).
    15. Florian Berg & Julian F Kölbel & Roberto Rigobon, 2022. "Aggregate Confusion: The Divergence of ESG Ratings [Corporate social responsibility and firm risk: theory and empirical evidence]," Review of Finance, European Finance Association, vol. 26(6), pages 1315-1344.
    16. Caramichael, John & Rapp, Andreas C., 2024. "The green corporate bond issuance premium," Journal of Banking & Finance, Elsevier, vol. 162(C).
    17. Moritz Immel & Britta Hachenberg & Florian Kiesel & Dirk Schiereck, 2022. "Green Bonds: Shades of Green and Brown," Springer Books, in: Marielle de Jong & Dan diBartolomeo (ed.), Risks Related to Environmental, Social and Governmental Issues (ESG), pages 21-34, Springer.
    18. Kremer, Manfred & Lo Duca, Marco & Holló, Dániel, 2012. "CISS - a composite indicator of systemic stress in the financial system," Working Paper Series 1426, European Central Bank.
    19. Ferriani, Fabrizio, 2023. "Issuing bonds during the Covid-19 pandemic: Was there an ESG premium?," International Review of Financial Analysis, Elsevier, vol. 88(C).
    20. Pástor, Ľuboš & Stambaugh, Robert F. & Taylor, Lucian A., 2021. "Sustainable investing in equilibrium," Journal of Financial Economics, Elsevier, vol. 142(2), pages 550-571.
    21. Torsten Ehlers & Frank Packer, 2017. "Green bond finance and certification," BIS Quarterly Review, Bank for International Settlements, September.
    22. repec:ecb:ecbwps:20111426 is not listed on IDEAS
    23. Anna Bartocci & Pietro Cova & Valerio Nispi Landi & Andrea Papetti & Massimiliano Pisani, 2024. "Macroeconomic and environmental effects of portfolio decarbonisation strategies," Questioni di Economia e Finanza (Occasional Papers) 874, Bank of Italy, Economic Research and International Relations Area.
    24. Gregor Dorfleitner & Sebastian Utz & Rongxin Zhang, 2022. "The pricing of green bonds: external reviews and the shades of green," Review of Managerial Science, Springer, vol. 16(3), pages 797-834, April.
    25. Iacus, Stefano M. & King, Gary & Porro, Giuseppe, 2012. "Causal Inference without Balance Checking: Coarsened Exact Matching," Political Analysis, Cambridge University Press, vol. 20(1), pages 1-24, January.
    26. Pástor, Ľuboš & Stambaugh, Robert F. & Taylor, Lucian A., 2022. "Dissecting green returns," Journal of Financial Economics, Elsevier, vol. 146(2), pages 403-424.
    27. Malcolm Baker & Daniel Bergstresser & George Serafeim & Jeffrey Wurgler, 2022. "The Pricing and Ownership of US Green Bonds," Annual Review of Financial Economics, Annual Reviews, vol. 14(1), pages 415-437, November.
    28. Ciciretti, Rocco & Dalò, Ambrogio & Dam, Lammertjan, 2023. "The contributions of betas versus characteristics to the ESG premium," Journal of Empirical Finance, Elsevier, vol. 71(C), pages 104-124.
    29. Martijn Boermans, 2023. "Preferred habitat investors in the green bond market," Working Papers 773, DNB.
    30. Fricke, Daniel & Meinerding, Christoph, 2025. "Who pays the greenium and why? A decomposition," Journal of International Money and Finance, Elsevier, vol. 157(C).
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    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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