BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı

Nuray Yuzbaşıoğlu

doi:10.25229/beta.1586216

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BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı

Abstract

Bu çalışmada beş BRICS ülkesinin borsa endeksleri arasındaki kısa ve uzun vadeli frekanslarda zamanla değişen entegrasyon dalgacık dönüşümü ile incelenmiştir. 3 Ocak 2004 ile 29 Aralık 2023 tarihleri arasındaki günlük borsa açılış verileri kullanılarak hisse senetlerinin günlük borsa açılış fiyatlarına dayalı ortalama log-getiri değerleri analiz edilmiş beş BRICS ülkesinin kısa ve uzun vadedeki borsa ilişkileri karşılaştırılmıştır. Bulgular incelenen ülkelerin borsaları arasında kısa vadede düşük korelasyon seviyeleri olduğunu göstermiştir. Ayrıca bu borsaların kısa vadeli şoklara karşı bağımsız hareket etme eğiliminde olduğu belirlenmiştir. Uzun vadede BRICS ülkelerinin borsaları arasında güçlü bir korelasyon olduğu saptanmıştır. Brezilya, Hindistan ve Güney Afrika borsalarının birbirini etkilediği Çin’in ise kısa vadede bağımsız kalmasına rağmen uzun vadede Rusya ile güçlü bir ilişki geliştirdiği ortaya çıkmıştır. Güney Afrika borsasının kırılgan bir yapıya sahip olduğu tespit edilmiştir. Brezilya borsasının Hindistan borsası üzerinde yönlendirici bir etkisi olduğu görülmüştür. Brezilya ve Hindistan borsaları küresel piyasalara daha fazla entegre olurken Rusya ve Çin borsalarının daha bağımsız bir seyir izlediği sonucuna ulaşılmıştır. Analiz sonuçları BRICS ülkeleri borsaları arasında entegrasyonun büyük ölçüde uzun vadede gerçekleştiğini göstermektedir. Elde edilen bulgular, portföy çeşitlendirmesi ve risk yönetimi modellerinin geliştirilmesi için yeni bir perspektif sunmaktadır.

Keywords

BRICS Ülkeleri, Dalgacık Dönüşümü, Borsa Endeksleri

Ethical Statement

Etik komite onayı ve/veya yasal/özel izin gerektirmeyen bu çalışma, araştırma ve yayın etiğine uygundur.

Stock Market Integration Among BRICS Countries: A Wavelet Approach

Abstract

In this study, the short- and long-term integration among the stock market indices of the five BRICS countries is analyzed over time using wavelet transform. The analysis is based on daily stock market opening data from January 3, 2004, to December 29, 2023, with average log-return values derived from the daily stock opening prices. The relationships between the stock markets of the five BRICS countries in both the short and long term are compared. The results show that there are low correlation levels among the stock markets of the countries in the short term. Additionally, these stock markets tend to move independently in response to short-term shocks. In the long term, a strong correlation is found between the stock markets of the BRICS countries. It was found that the stock markets of Brazil, India, and South Africa influence each other, while China, although independent in the short term, develops a strong relationship with Russia in the long term. The South African stock market is identified as having a fragile structure. Brazil's stock market has a guiding effect on India's stock market. While the Brazilian and Indian stock markets are more integrated into global markets, the Russian and Chinese stock markets follow a more independent trajectory. The analysis indicates that the integration of the BRICS stock markets largely occurs in the long term. The findings provide a new perspective for developing portfolio diversification and risk management models.

Keywords

BRICS Countries, Wavelet transform, Stock Market Indices

Ethical Statement

This study, which does not require ethics committee approval and/or legal/special permission, complies with research and publication ethics.

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Details

Primary Language

Turkish

Subjects

Financial Economy

Journal Section

Research Article

Authors

Nuray Yuzbaşıoğlu ^*
0000-0001-7409-4263
Türkiye

Early Pub Date

February 27, 2025

Publication Date

February 28, 2025

Submission Date

November 15, 2024

Acceptance Date

January 3, 2025

Published in Issue

Year 2025 Volume: 10 Number: 1

DOI

https://doi.org/10.25229/beta.1586216

IZ

https://izlik.org/JA26MX49MP

APA

Yuzbaşıoğlu, N. (2025). BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı. Bulletin of Economic Theory and Analysis, 10(1), 169-207. https://doi.org/10.25229/beta.1586216

AMA

1.Yuzbaşıoğlu N. BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı. Beta. 2025;10(1):169-207. doi:10.25229/beta.1586216

Chicago

Yuzbaşıoğlu, Nuray. 2025. “BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı”. Bulletin of Economic Theory and Analysis 10 (1): 169-207. https://doi.org/10.25229/beta.1586216.

EndNote

Yuzbaşıoğlu N (February 1, 2025) BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı. Bulletin of Economic Theory and Analysis 10 1 169–207.

IEEE

[1]N. Yuzbaşıoğlu, “BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı”, Beta, vol. 10, no. 1, pp. 169–207, Feb. 2025, doi: 10.25229/beta.1586216.

ISNAD

Yuzbaşıoğlu, Nuray. “BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı”. Bulletin of Economic Theory and Analysis 10/1 (February 1, 2025): 169-207. https://doi.org/10.25229/beta.1586216.

JAMA

1.Yuzbaşıoğlu N. BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı. Beta. 2025;10:169–207.

MLA

Yuzbaşıoğlu, Nuray. “BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı”. Bulletin of Economic Theory and Analysis, vol. 10, no. 1, Feb. 2025, pp. 169-07, doi:10.25229/beta.1586216.

Vancouver

1.Nuray Yuzbaşıoğlu. BRICS Ülkeleri Arasında Borsa Entegrasyonu: Dalgacık Yaklaşımı. Beta. 2025 Feb. 1;10(1):169-207. doi:10.25229/beta.1586216

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