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THE EXTENT OF SPILLOVERS FROM SECTORIAL INDICES TO THE BORSA ISTANBUL SUSTAINABILITY INDEX: EVIDENCE FROM VARIOUS QUANTILES

Yıl 2025, Cilt: 26 Sayı: 2, 339 - 360, 22.07.2025

Öz

In this study, the return spillovers from sectorial indices to the BIST Sustainability Index (SRD) are investigated to present evidence for equity markets from a sectorial perspective. The aim of the study is to present compelling evidence for equity markets, taking a sectorial perspective into account. By examining the contributions from each sector, an attempt is made to shed light on the extent of their influence and provide empirical evidence to assist policy makers in formulating incentives and measures necessary for fostering future and more sustainable markets. Empirical analyses are conducted through a Quantile VAR analysis at a given conditional quantile. In this regard, 22 sectors from Borsa Istanbul are examined, and evidence is presented from three quantiles: extreme lower, median, and extreme upper quantiles. The major contributors to the return spillovers in these quantiles are found as ILTM and BANK sectors. Nevertheless, the GMYO sector comes to the fore and replaces the role of the BANK sector in the median quantile. Finally, results suggest that systematic risk is another rigorous element in transmitting returns toward the SRD index, especially during high market volatility led by the BANK sector. Thus, it is concluded that policies that mitigate the systematic risk exposure in the banking sector may enhance the stability of the SRD index.

Kaynakça

  • Açıkgöz, T. (2022). Sürdürülebilirlik raporlamasının piyasa riski ve volatilite yayılmaları üzerinde etkisi. Muhasebe Bilim Dünyası Dergisi, 24(4), 936-958. https://doi.org/10.31460/mbdd.1054238
  • Altınay, A., Kaki, B., Kestane, A., Soba, M., Dinçer, Ö. And Şık, E. (2017). Sürdürülebilirlik endeksinin bankacılık sektörü hisse senedi değerlerine etkileri, BIST sürdürülebilirlik endeksi üzerine bir inceleme, The Journal of Social Economic Research, 17(34), 264-284.
  • Ando, T., Greenwood-Nimmo, M., & Shin, Y. (2018). Quantile Connectedness: modelling tail behaviour in the topology of financial networks. Available at SSRN 3164772.
  • Bhutta, N. T., Shafique, A., Arsalan, M., & Raja, H. H. (2024). Forecasting ESG Index Effect on the Stock Returns: Evidence From G7 Economies. In The Emerald Handbook of Ethical Finance and Corporate Social Responsibility: A Framework for Sustainable Development (pp. 449-458). Emerald Publishing Limited.
  • Borsa İstanbul (2020), Gelecekte Var Olmak, Şirketler İçin Sürdürülebilirlik Rehberi.
  • Borsa İstanbul (n.d.,a). Sustainability Indices, https://borsaistanbul.com/en/sayfa/2227/sustainability-indices (07.03.2023)
  • Chatziantoniou, I., Gabauer, D., & Stenfors, A. (2021). Interest rate swaps and the transmission mechanism of monetary policy: A quantile connectedness approach. Economics Letters, 204, 109891.
  • Collison, D. J., Cobb, G., Power, D. M. and Stevenson, L. A. (2008). The financial performance of the ftse4good indexes. Corporate Social Responsibility and Environmental Management, 15(1), 14-28.
  • Dana, L. P., Rounaghi, M.M., Enayati, G. and Researcher, M.I. (2021), “Increasing productivity and sustainability of corporate performance by using management control systems and intellectual capital accounting approach.” Green Finance, 3(1), 1-14. doi: 10.3934/GF.2021001
  • DiBartolomeo, D., and Kurtz, L. (1999). Managing risk exposures of socially screened portfolios. Northfield İnformation Services Working Paper. Boston. https://www.northinfo.com/documents/63.pdf
  • Diebold, F. X., & Yilmaz, K. (2009). Measuring financial asset return and volatility spillovers, with application to global equity markets. The Economic Journal, 119(534), 158-171.
  • Diebold, F. X., & Yılmaz, K. (2014). On the network topology of variance decompositions: Measuring the connectedness of financial firms. Journal of Econometrics, 182(1), 119-134.
  • Gök, İ. Y. and Gökşen, H. (2020). The impact of the banks’ inclusıon in the sustainability index on equity returns. Süleyman Demirel University Visionary Journal. 11(26), 89-106. DOI: 10.21076/vizyoner.655406
  • Gök, İ. Y. and Özdemir, O. (2017). Borsa istanbul sürdürülebilirlik endeksinin performans karakteristiği. Sosyoekonomi, 25(34), 87-105.
  • Iqbal, N., Naeem, M. A., & Suleman, M. T. (2022). Quantifying the asymmetric spillovers in sustainable investments. Journal of International Financial Markets, Institutions and Money, 77, 101480.
  • Karakaya, A. and Kutlu, M. (2022). Return and volatility spillovers between sustainability indexes: Evidences from global, regional and domestic indexes. Journal of Sustainable Fınance & Investment. https://doi.org/10.1080/20430795.2022.2124836
  • Kilic, Y., Destek, M. A., Cevik, E. I., Bugan, M. F., Korkmaz, O., & Dibooglu, S. (2022). Return and risk spillovers between the ESG global index and stock markets: Evidence from time and frequency analysis. Borsa Istanbul Review, 22, S141-S156.
  • Koop, G., Pesaran, M. H., and Potter, S. M. (1996). Impulse response analysis in nonlinear multivariate models. Journal of Econometrics, 74(1), 119-147.
  • Levent, C. E. (2019). Sustainability ındexes in the financial markets, performance and ıntraday volatility analysis: the case of turkey. Journal of Business Research Turk, 11(4), 3190-3203.
  • Liu, M., Guo, T., Ping, W., & Luo, L. (2023). Sustainability and stability: will ESG investment reduce the return and volatility spillover effects across the Chinese financial market?. Energy Economics, 121, 106674.
  • Luck, C. G., and Pilotte, N. (1993). Domini social index performance. The Journal of Investing, 2(3), 60-62.
  • Ortas, E., Moneva, J. M. and Salvador, M. (2014). Do social and environmental screens influence ethical portfolio performance? Evidence from Europe. BRQ Business Research Quarterly, 17(1), 11-21.
  • Pesaran, H. H. and Shin, Y. (1998). Generalized impulse response analysis in linear multivariate models. Economics Letters, 58(1), 17-29
  • Scoones, I. (2010). Sustainability. Development in Practice, 17(4-5), 589-596. DOI: 10.1080/09614520701469609
  • Statman, M. (2006). Socially responsible indexes: composition, performance, and tracking. Journal of Portfolio Management. 32(3), 100-109.
  • Stock, J., Elliott, G., and Rothenberg, T. (1996). Efficient tests for an autoregressive unit root. Econometrica, 64(4):813-836. https://doi.org/10.3386/t0130.
  • Tiwari, A. K., Abakah, E. J. A., Adekoya, O. B., & Hammoudeh, S. (2023). What do we know about the price spillover between green bonds and Islamic stocks and stock market indices?. Global Finance Journal, 55, 100794.
  • United Nations (1987). Development and International Economic Co-operation: Environment
  • United Nations (n.d.) Sustainable Development Goals, https://www.un.org/en/academic-impact/page/sustainable-development-goals (05.03.2023).

SEKTÖREL ENDEKSLERDEN BORSA İSTANBUL SÜRDÜRÜLEBİLİRLİK ENDEKSİNE YAYILMA ETKİLERİNİN BÜYÜKLÜĞÜ: FARKLI KANTİLLERDEN KANITLAR

Yıl 2025, Cilt: 26 Sayı: 2, 339 - 360, 22.07.2025

Öz

Bu çalışmada, sektörel endekslerden BIST Sürdürülebilirlik Endeksi'ne (SRD) olan getiri yayılmaları sektörel bir bakış açısıyla incelenerek hisse senedi piyasaları üzerindeki etkileri değerlendirilmektedir. Amaç, hisse senedi piyasalarına yönelik ikna edici kanıtlar sunmak ve sektörel perspektifi dikkate almaktır. Her sektörün katkıları incelenerek, etkilerinin boyutunu ortaya koymak ve politika yapıcılara, gelecekte daha sürdürülebilir piyasaların oluşturulması için gerekli teşvik ve önlemleri belirlemede yardımcı olacak ampirik kanıtlar sağlamak hedeflenmektedir. Ampirik analizler, belirli koşullu kantillerde, Kantil Vektor Otoregresyon kullanılarak gerçekleştirilmiştir. Bu kapsamda, Borsa İstanbul'dan 22 sektör incelenmiş ve üç farklı kantilden – aşırı düşük, medyan ve aşırı yüksek kantiller – elde edilen bulgular sunulmuştur. Bu kantillerde getiri yayılmalarına en fazla katkı sağlayan sektörlerin ILTM ve BANK olduğu tespit edilmiştir. Bununla birlikte, medyan kantilde GMYO sektörü öne çıkarak BANK sektörünün yerini almaktadır. Sonuçlar, özellikle BANK sektörünün öncülük ettiği yüksek piyasa oynaklığı dönemlerinde, sistematik riskin, getirilerin SRD endeksine aktarılmasında bir başka önemli unsur olduğunu göstermektedir. Bu nedenle, bankacılık sektöründeki sistematik riski azaltan politikaların SRD endeksinin istikrarını artırabileceği sonucuna varılmıştır.

Kaynakça

  • Açıkgöz, T. (2022). Sürdürülebilirlik raporlamasının piyasa riski ve volatilite yayılmaları üzerinde etkisi. Muhasebe Bilim Dünyası Dergisi, 24(4), 936-958. https://doi.org/10.31460/mbdd.1054238
  • Altınay, A., Kaki, B., Kestane, A., Soba, M., Dinçer, Ö. And Şık, E. (2017). Sürdürülebilirlik endeksinin bankacılık sektörü hisse senedi değerlerine etkileri, BIST sürdürülebilirlik endeksi üzerine bir inceleme, The Journal of Social Economic Research, 17(34), 264-284.
  • Ando, T., Greenwood-Nimmo, M., & Shin, Y. (2018). Quantile Connectedness: modelling tail behaviour in the topology of financial networks. Available at SSRN 3164772.
  • Bhutta, N. T., Shafique, A., Arsalan, M., & Raja, H. H. (2024). Forecasting ESG Index Effect on the Stock Returns: Evidence From G7 Economies. In The Emerald Handbook of Ethical Finance and Corporate Social Responsibility: A Framework for Sustainable Development (pp. 449-458). Emerald Publishing Limited.
  • Borsa İstanbul (2020), Gelecekte Var Olmak, Şirketler İçin Sürdürülebilirlik Rehberi.
  • Borsa İstanbul (n.d.,a). Sustainability Indices, https://borsaistanbul.com/en/sayfa/2227/sustainability-indices (07.03.2023)
  • Chatziantoniou, I., Gabauer, D., & Stenfors, A. (2021). Interest rate swaps and the transmission mechanism of monetary policy: A quantile connectedness approach. Economics Letters, 204, 109891.
  • Collison, D. J., Cobb, G., Power, D. M. and Stevenson, L. A. (2008). The financial performance of the ftse4good indexes. Corporate Social Responsibility and Environmental Management, 15(1), 14-28.
  • Dana, L. P., Rounaghi, M.M., Enayati, G. and Researcher, M.I. (2021), “Increasing productivity and sustainability of corporate performance by using management control systems and intellectual capital accounting approach.” Green Finance, 3(1), 1-14. doi: 10.3934/GF.2021001
  • DiBartolomeo, D., and Kurtz, L. (1999). Managing risk exposures of socially screened portfolios. Northfield İnformation Services Working Paper. Boston. https://www.northinfo.com/documents/63.pdf
  • Diebold, F. X., & Yilmaz, K. (2009). Measuring financial asset return and volatility spillovers, with application to global equity markets. The Economic Journal, 119(534), 158-171.
  • Diebold, F. X., & Yılmaz, K. (2014). On the network topology of variance decompositions: Measuring the connectedness of financial firms. Journal of Econometrics, 182(1), 119-134.
  • Gök, İ. Y. and Gökşen, H. (2020). The impact of the banks’ inclusıon in the sustainability index on equity returns. Süleyman Demirel University Visionary Journal. 11(26), 89-106. DOI: 10.21076/vizyoner.655406
  • Gök, İ. Y. and Özdemir, O. (2017). Borsa istanbul sürdürülebilirlik endeksinin performans karakteristiği. Sosyoekonomi, 25(34), 87-105.
  • Iqbal, N., Naeem, M. A., & Suleman, M. T. (2022). Quantifying the asymmetric spillovers in sustainable investments. Journal of International Financial Markets, Institutions and Money, 77, 101480.
  • Karakaya, A. and Kutlu, M. (2022). Return and volatility spillovers between sustainability indexes: Evidences from global, regional and domestic indexes. Journal of Sustainable Fınance & Investment. https://doi.org/10.1080/20430795.2022.2124836
  • Kilic, Y., Destek, M. A., Cevik, E. I., Bugan, M. F., Korkmaz, O., & Dibooglu, S. (2022). Return and risk spillovers between the ESG global index and stock markets: Evidence from time and frequency analysis. Borsa Istanbul Review, 22, S141-S156.
  • Koop, G., Pesaran, M. H., and Potter, S. M. (1996). Impulse response analysis in nonlinear multivariate models. Journal of Econometrics, 74(1), 119-147.
  • Levent, C. E. (2019). Sustainability ındexes in the financial markets, performance and ıntraday volatility analysis: the case of turkey. Journal of Business Research Turk, 11(4), 3190-3203.
  • Liu, M., Guo, T., Ping, W., & Luo, L. (2023). Sustainability and stability: will ESG investment reduce the return and volatility spillover effects across the Chinese financial market?. Energy Economics, 121, 106674.
  • Luck, C. G., and Pilotte, N. (1993). Domini social index performance. The Journal of Investing, 2(3), 60-62.
  • Ortas, E., Moneva, J. M. and Salvador, M. (2014). Do social and environmental screens influence ethical portfolio performance? Evidence from Europe. BRQ Business Research Quarterly, 17(1), 11-21.
  • Pesaran, H. H. and Shin, Y. (1998). Generalized impulse response analysis in linear multivariate models. Economics Letters, 58(1), 17-29
  • Scoones, I. (2010). Sustainability. Development in Practice, 17(4-5), 589-596. DOI: 10.1080/09614520701469609
  • Statman, M. (2006). Socially responsible indexes: composition, performance, and tracking. Journal of Portfolio Management. 32(3), 100-109.
  • Stock, J., Elliott, G., and Rothenberg, T. (1996). Efficient tests for an autoregressive unit root. Econometrica, 64(4):813-836. https://doi.org/10.3386/t0130.
  • Tiwari, A. K., Abakah, E. J. A., Adekoya, O. B., & Hammoudeh, S. (2023). What do we know about the price spillover between green bonds and Islamic stocks and stock market indices?. Global Finance Journal, 55, 100794.
  • United Nations (1987). Development and International Economic Co-operation: Environment
  • United Nations (n.d.) Sustainable Development Goals, https://www.un.org/en/academic-impact/page/sustainable-development-goals (05.03.2023).
Toplam 29 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Finans
Bölüm Araştırma Makalesi
Yazarlar

Mehmet Emin Yıldız 0000-0002-7198-7637

Yayımlanma Tarihi 22 Temmuz 2025
Gönderilme Tarihi 30 Ocak 2025
Kabul Tarihi 20 Mart 2025
Yayımlandığı Sayı Yıl 2025 Cilt: 26 Sayı: 2

Kaynak Göster

APA Yıldız, M. E. (2025). THE EXTENT OF SPILLOVERS FROM SECTORIAL INDICES TO THE BORSA ISTANBUL SUSTAINABILITY INDEX: EVIDENCE FROM VARIOUS QUANTILES. Doğuş Üniversitesi Dergisi, 26(2), 339-360. https://doi.org/10.31671/doujournal.1629838