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Whatever it takes to save the planet? Central banks and unconventional green policy

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  • Ferrari, Alessandro
  • Landi, Valerio Nispi

Abstract

We study the effects of a temporary Green QE, defined as a policy that temporarily tilts the central bank’s balance sheet toward green bonds, i.e. bonds issued by firms in non-polluting sectors. To this purpose, we merge a standard DSGE framework with an environmental model. In our model, detrimental emissions produced by the brown sector increase the stock of pollution. We find that the imperfect substitutability between green and brown bonds is a necessary condition for the effectiveness of Green QE. Under the assumption of imperfect substitutability, we point out the following results. A temporary Green QE is an effective tool in mitigating detrimental emissions. However, Green QE has limited effects in reducing the stock of pollution, if pollutants are slow-moving variables such as atmospheric carbon. The welfare gains of Green QE are positive but small. Welfare gains increase if the flow of emissions negatively affects also the utility of households. JEL Classification: E52, E58, Q54

Suggested Citation

  • Ferrari, Alessandro & Landi, Valerio Nispi, 2020. "Whatever it takes to save the planet? Central banks and unconventional green policy," Working Paper Series 2500, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:20202500
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    Cited by:

    1. Ewa Dziwok & Johannes Jäger, 2021. "A Classification of Different Approaches to Green Finance and Green Monetary Policy," Sustainability, MDPI, vol. 13(21), pages 1-15, October.
    2. Barbara Annicchiarico & Stefano Carattini & Carolyn Fischer & Garth Heutel, 2022. "Business Cycles and Environmental Policy: A Primer," Environmental and Energy Policy and the Economy, University of Chicago Press, vol. 3(1), pages 221-253.
    3. Jérôme Creel, 2021. "Establishing a Fiscal Dialogue in Europe," Comparative Economic Studies, Palgrave Macmillan;Association for Comparative Economic Studies, vol. 63(3), pages 339-355, September.
    4. Alessandro Ferrari & Valerio Nispi Landi, 2022. "Toward a green economy: the role of central bank's asset purchases," Temi di discussione (Economic working papers) 1358, Bank of Italy, Economic Research and International Relations Area.
    5. Natoli, Filippo, 2022. "Temperature surprise shocks," MPRA Paper 112568, University Library of Munich, Germany.
    6. Riedler, Jesper & Koziol, Tina, 2021. "Scaling, unwinding and greening QE in a calibrated portfolio balance model," ZEW Discussion Papers 21-086, ZEW - Leibniz Centre for European Economic Research.
    7. Peter Breyer & Eleonora Endlich & Dieter Huber & Doris Oswald & Christoph Prenner & Lukas Reiss & Martin Schneider & Walter Waschiczek, 2021. "Corporate equity finance in Austria – impediments and possible improvements," Monetary Policy & the Economy, Oesterreichische Nationalbank (Austrian Central Bank), issue Q3/21, pages 39-57.
    8. Patrick Gruning, 2022. "Fiscal, Environmental, and Bank Regulation Policies in a Small Open Economy for the Green Transition," Working Papers 2022/06, Latvijas Banka.
    9. Diluiso, Francesca & Annicchiarico, Barbara & Kalkuhl, Matthias & Minx, Jan C., 2021. "Climate actions and macro-financial stability: The role of central banks," Journal of Environmental Economics and Management, Elsevier, vol. 110(C).
    10. Abiry, Raphael & Ludwig, Alexander & Ferdinandusse, Marien & Nerlich, Carolin, 2022. "Climate Change Mitigation: How Effective is Green Quantitative Easing?," VfS Annual Conference 2022 (Basel): Big Data in Economics 264139, Verein für Socialpolitik / German Economic Association.
    11. Raphael Abiry & Marien Ferdinandusse & Alexander Ludwig & Carolin Nerlich, 2022. "Climate Change Mitigation: How Effective is Green Quantitative Easing?," IMES Discussion Paper Series 22-E-11, Institute for Monetary and Economic Studies, Bank of Japan.
    12. Ferrari Massimo, & Pagliari Maria Sole,, 2021. "No country is an island. International cooperation and climate change," Working papers 815, Banque de France.
    13. Danilo Liberati & Giuseppe Marinelli, 2022. "Everything you always wanted to know about green bonds (but were afraid to ask)," IFC Bulletins chapters, in: Bank for International Settlements (ed.), Statistics for Sustainable Finance, volume 56, Bank for International Settlements.
    14. Dietrich, Alexander & Müller, Gernot & Schoenle, Raphael, 2021. "The Expectations Channel of Climate Change: Implications for Monetary Policy," CEPR Discussion Papers 15866, C.E.P.R. Discussion Papers.
    15. Dafermos, Yannis & Nikolaidi, Maria, 2022. "Assessing climate policies: an ecological stock–flow consistent perspective," Greenwich Papers in Political Economy 38039, University of Greenwich, Greenwich Political Economy Research Centre.
    16. Boneva, Lena & Ferrucci, Gianluigi & Mongelli, Francesco Paolo, 2021. "To be or not to be “green”: how can monetary policy react to climate change?," Occasional Paper Series 285, European Central Bank.
    17. Abiry, Raphael & Ferdinandusse, Marien & Ludwig, Alexander & Nerlich, Carolin, 2022. "Climate change mitigation: How effective is green quantitative easing?," SAFE Working Paper Series 376, Leibniz Institute for Financial Research SAFE.
    18. Francesco Giovanardi & Matthias Kaldorf & Lucas Radke & Florian Wicknig, 2021. "The Preferential Treatment of Green Bonds," ECONtribute Discussion Papers Series 098, University of Bonn and University of Cologne, Germany.
    19. Eric Jondeau & Grégory Levieuge & Jean-Guillaume Sahuc & Gauthier Vermandel, 2022. "Environmental Subsidies to Mitigate Transition risk," EconomiX Working Papers 2022-21, University of Paris Nanterre, EconomiX.
    20. Raffaele Doronzo & Vittorio Siracusa & Stefano Antonelli, 2021. "Green Bonds: the Sovereign Issuers' Perspective," Mercati, infrastrutture, sistemi di pagamento (Markets, Infrastructures, Payment Systems) 3, Bank of Italy, Directorate General for Markets and Payment System.
    21. George, Ammu & Huang, Jingong & Xie, Taojun, 2022. "Assessing the dual mandates of sustainability-linked monetary policy," Energy Economics, Elsevier, vol. 113(C).
    22. Drudi, Francesco & Moench, Emanuel & Holthausen, Cornelia & Weber, Pierre-François & Ferrucci, Gianluigi & Setzer, Ralph & Adao, Bernardino & Dées, Stéphane & Alogoskoufis, Spyros & Téllez, Mar Delgad, 2021. "Climate change and monetary policy in the euro area," Occasional Paper Series 271, European Central Bank.

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    More about this item

    Keywords

    central bank; climate change; monetary policy; quantitative easing;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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