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Gülfen TUNA
Gülfen TUNA
Adresse e-mail validée de sakarya.edu.tr - Page d'accueil
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The asymmetric causal relationship between renewable and NON-RENEWABLE energy consumption and economic growth in the ASEAN-5 countries
G Tuna, VE Tuna
Resources Policy 62, 114-124, 2019
1442019
ÜNİVERSİTE ÖĞRENCİLERİNİN FİNANSAL OKURYAZARLIK DÜZEYLERİNİ ETKİLEYEN FAKTÖRLERİN BELİRLENMESİ: İŞLETME BÖLÜMÜ ÖĞRENCİLERİ ÜZERİNE BİR ARAŞTIRMA
G Tuna, MO Ulu
Uluslararası Yönetim İktisat ve İşletme Dergisi 12 (12), 128-141, 2016
622016
Interaction between precious metals price and Islamic stock markets
G Tuna
International Journal of Islamic and Middle Eastern Finance and Management …, 2019
592019
Piyasa Etkinliğinin Yapisal Kirilmali Birim Kök Testleri İle İncelenmesi: Türkiye Pay Senedi Piyasasi Uygulamasi
G Tuna, M Öztürk
Uluslararası Yönetim İktisat ve İşletme Dergisi 12 (12), 548-559, 2016
442016
Are effects of COVID-19 pandemic on financial markets permanent or temporary? Evidence from gold, oil and stock markets
G Tuna, VE Tuna
Resources Policy 76, 102637, 2022
342022
The effect of oil market shocks on the stock markets: Time-varying asymmetric causal relationship for conventional and Islamic stock markets
VE Tuna, G Tuna, N Kostak
Energy Reports 7, 2759-2774, 2021
292021
MARKOWİTZ VE TEK ENDEKS MODELLERİNİN UYGULANMASI: İMKB 30 ENDEKSİ ÜZERİNDE KARŞILAŞTIRMALI ANALİZ
P Birgili, Ö Tuna
Süleyman Demirel Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi …, 2010
272010
THE IMPACT OF OPERATING EXPENDITURES ON FIRM PERFORMANCE IN TURKEY: EVIDENCE FROM TECHNOLOGY SECTOR.
G Tuna, Ş Yildiz
Ekonomika 62 (4), 2016
202016
Predicting financial market returns in the presence of health crisis: evidence from conventional and Islamic stock markets
G Tuna
Economic research-Ekonomska istraživanja 35 (1), 1786-1806, 2022
182022
The Impact of Biomass Energy Consumption on CO2 Emission and Ecological Footprint: The Evidence from BRICS Countries
G Tuna
International Journal of Environmental Research 16 (4), 56, 2022
162022
İstanbul Menkul Kıymetler Borsası’nda sistematik risk: Geleneksel beta katsayısına karşı aşağı yönlü beta katsayısı
G Tuna, VE Tuna
İşletme Araştırmaları Dergisi 5 (1), 189-205, 2013
102013
The relationship between oil and stock prices: The case of developing and developed countries.
G Tuna, N Göleç, VE Tuna
Theoretical & Applied Economics 24 (4), 2017
92017
The impact of financial tools in environmental degradation management: the relationship between Co2 emission and ESG funds
G Tuna, K Türkay, SS Çiftyildiz, H Çelik
Environment, Development and Sustainability 26 (6), 14941-14956, 2024
82024
The relationship between energy consumption and economıc growth in the G7 countries: the time-varying asymmetric causality analysis
G Tuna, VE Tuna, M Aghalarova, AB Atasoy
International Journal of Energy Sector Management 16 (6), 1150-1171, 2022
82022
Which Commodity Group is the Safe Haven for Islamic Stock Markets?
GÃ Tuna, VE Tuna
International Journal of Economics, Management and Accounting 27 (2), 253-267, 2019
82019
Kurumsal sosyal sorumluluk kapsamında çevre açıklamaları ile firma özellikleri arasındaki ilişki: kimya, petrol, kauçuk ve plastik ürünler sektöründe bir uygulama
Ş Yıldız, G Tuna, VE Tuna
İşletme Araştırmaları Dergisi 8 (2), 255-276, 2016
82016
Portföy Seçimi İçin Kovaryans Matrisi Tahmini: İMKB'de Minimum Varyanslı Portföy Uygulaması
G Tuna
PQDT-Global, 2011
72011
Time varying causality between gold and oil prices
G Tuna
Romanian Economic and Business Review 12 (1), 2017
62017
Investigation of relation between foreign portfolio investments and stock prices: Time varying asymmetric causality analysis
T Gülfen, S Kundakçioğlu
The distinctivities of the complexity 3 23 (2), 127, 2016
62016
Kovaryans Matrisi Tahmininin Portföy Seçimine Etkisi: İMKB'de Farklı Yatırım Ufukları için Uygulama.
G Tuna
Ege Academic Review 12 (3), 2012
52012
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