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Minimum Connectedness Portfolios and the Market for Green Bonds: Advocating Socially Responsible Investment (SRI) Activity

In: Applications in Energy Finance

Author

Listed:
  • David C. Broadstock

    (National University of Singapore)

  • Ioannis Chatziantoniou

    (Hellenic Mediterranean University)

  • David Gabauer

    (Software Competence Center Hagenberg)

Abstract

Socially responsible investing (SRI) such as issuing green bonds is increasingly widely adopted, moving into mainstream investment activity. In this study, we consider China, Europe and the US, in order to investigate (i) co-movements across and within the respective markets for green and traditional bonds in these regions and (ii) whether green bonds enhance the value of fixed-income investment portfolios. We pay particular focus on connectedness during the outbreak of the COVID-19 crisis. To achieve our objectives, we employ a time-varying parameter vector autoregressive (TVP-VAR) connectedness framework and four multivariate portfolio construction methods, for the period between July 2016 and December 2020. Following this, bond portfolios are constructed with dynamic weighting schemes (including a novel ‘minimum connectedness’ portfolio) to question, if, when and to what extent green bonds are part of an international fixed-income investor’s portfolio. Results indicate that connectedness is intensified in the first quarter of 2020; however, the effect is not permanent. During this period, both green and black Chinese bonds, as well as green US bonds intensify their role as net recipients while, both green and black EU bonds weaken as net transmitters of pricing shocks while, black US bonds assume a net transmitting role. Overall, investing in green bonds results in more efficient portfolios. Finally, we show that the minimum connectedness portfolio achieves the highest Sharpe ratio and significantly reduces the investment risk.

Suggested Citation

  • David C. Broadstock & Ioannis Chatziantoniou & David Gabauer, 2022. "Minimum Connectedness Portfolios and the Market for Green Bonds: Advocating Socially Responsible Investment (SRI) Activity," Springer Books, in: Christos Floros & Ioannis Chatziantoniou (ed.), Applications in Energy Finance, chapter 0, pages 217-253, Springer.
    • Handle: RePEc:spr:sprchp:978-3-030-92957-2_9
    DOI: 10.1007/978-3-030-92957-2_9
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    Citations

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    Cited by:

    1. Gabauer, David & Chatziantoniou, Ioannis & Stenfors, Alexis, 2023. "Model-free connectedness measures," Finance Research Letters, Elsevier, vol. 54(C).
    2. Kumar, Pawan & Singh, Vipul Kumar & Rao, Sandeep, 2023. "Does the substitution effect lead to feedback effect linkage between ethanol, crude oil, and soft agricultural commodities?," Energy Economics, Elsevier, vol. 119(C).
    3. Wang, Yu-Min & Lin, Che-Chun & Tsai, I-Chun, 2023. "State transformation of information spillover in asset markets and effective dynamic hedging strategies," International Review of Financial Analysis, Elsevier, vol. 89(C).
    4. Lu, Ran & Xu, Wen & Zeng, Hongjun & Zhou, Xiangjing, 2023. "Volatility connectedness among the Indian equity and major commodity markets under the COVID-19 scenario," Economic Analysis and Policy, Elsevier, vol. 78(C), pages 1465-1481.
    5. Umar, Zaghum & Riaz, Yasir & Shahab, Yasir & Teplova, Tamara, 2023. "Network connectedness of the term structure of yield curve and global Sukuks," Pacific-Basin Finance Journal, Elsevier, vol. 80(C).
    6. Stenfors, Alexis & Chatziantoniou, Ioannis & Gabauer, David, 2022. "Independent policy, dependent outcomes: A game of cross-country dominoes across European yield curves," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 81(C).
    7. Cunado, Juncal & Chatziantoniou, Ioannis & Gabauer, David & de Gracia, Fernando Perez & Hardik, Marfatia, 2023. "Dynamic spillovers across precious metals and oil realized volatilities: Evidence from quantile extended joint connectedness measures," Journal of Commodity Markets, Elsevier, vol. 30(C).
    8. Cagli, Efe Caglar & Mandaci, Pinar Evrim, 2023. "Time and frequency connectedness of uncertainties in cryptocurrency, stock, currency, energy, and precious metals markets," Emerging Markets Review, Elsevier, vol. 55(C).
    9. Nini Johana Marín-Rodríguez & Juan David González-Ruiz & Alejandro Valencia-Arias, 2023. "Incorporating Green Bonds into Portfolio Investments: Recent Trends and Further Research," Sustainability, MDPI, vol. 15(20), pages 1-32, October.
    10. Lei, Heng & Xue, Minggao & Liu, Huiling & Ye, Jing, 2023. "Precious metal as a safe haven for global ESG stocks: Portfolio implications for socially responsible investing," Resources Policy, Elsevier, vol. 80(C).
    11. Wu, You & Ren, Wenting & Wan, Jieru & Liu, Xiaoxue, 2023. "Time-frequency volatility connectedness between fossil energy and agricultural commodities: Comparing the COVID-19 pandemic with the Russia-Ukraine conflict," Finance Research Letters, Elsevier, vol. 55(PA).
    12. Umar, Zaghum & Polat, Onur & Choi, Sun-Yong & Teplova, Tamara, 2022. "Dynamic connectedness between non-fungible tokens, decentralized finance, and conventional financial assets in a time-frequency framework," Pacific-Basin Finance Journal, Elsevier, vol. 76(C).
    13. Hoque, Mohammad Enamul & Soo-Wah, Low & Billah, Mabruk, 2023. "Time-frequency connectedness and spillover among carbon, climate, and energy futures: Determinants and portfolio risk management implications," Energy Economics, Elsevier, vol. 127(PB).
    14. Abdullah, Mohammad & Chowdhury, Mohammad Ashraful Ferdous & Sulong, Zunaidah, 2023. "Asymmetric efficiency and connectedness among green stocks, halal tourism stocks, cryptocurrencies, and commodities: Portfolio hedging implications," Resources Policy, Elsevier, vol. 81(C).
    15. Song, Feng & Cui, Jian & Yu, Yihua, 2022. "Dynamic volatility spillover effects between wind and solar power generations: Implications for hedging strategies and a sustainable power sector," Economic Modelling, Elsevier, vol. 116(C).
    16. Xu Zhang & Xian Yang & Jianping Li & Jun Hao, 2023. "Contemporaneous and noncontemporaneous idiosyncratic risk spillovers in commodity futures markets: A novel network topology approach," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 43(6), pages 705-733, June.

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