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Recent Submissions
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Modeling of wind speed using differential evolution: Istanbul case
(Yildiz Technical University, 2024)Over the years, increasing energy demands with the growth of the population and the development of technology have caused more fossil fuel consumption. Besides, environmental pollution and climate change, which are vital ... -
Vulnerability of Stock Markets to Earthquakes / The 7.7 and 7.6 Scale Earthquakes in Turkey in 2023: Sectors of Non-Metallic Mineral Products, Basic Metals and Construction & Infrastructure
(Ahmet Arif EREN, 2023)This study aims to reveal whether stock markets are vulnerable to the effects of earthquakes and how they are affected by earthquakes. The 7.7 and 7.6 magnitude earthquakes in Turkey in February 2023 were explored. The ... -
Relationship between the green finance index, CO2 emission, and GDP
(Walter de Gruyter (Verlag), 2023)Green technology innovation and effective use of green financing tools are very important in order to ensure sustainable economic and environmental development without environmental degradation, and to decarbonize all ... -
Bank failure risk: A study on Silicon Valley Bank, Signature Bank, and Silvergate Capital Corporations
(Walter de Gruyter (Verlag), 2023)This study investigates whether the ratio of long-term investment to total assets, the ratio of cash on hand to total assets, and the ratio of price-to-earnings are risk indicators for bank failures. Silicon Valley Bank ... -
Financial risk-taking in adult attention deficit hyperactivity disorder
(Emerald Publishing, 2024)This study aimed to examine the financial risk-taking behaviors of adult individuals diagnosed with attention deficit hyperactivity disorder (ADHD). Design/methodology/approach: The study was conducted with adults (n = 80) ... -
Model selection in multivariate adaptive regressions splines (MARS) using alternative information criteria
(Elsevier Ltd, 2023)Multivariate Adaptive Regression Splines (MARS) is a useful non-parametric regression analysis method that can be used for model selection in high-dimensional data. Since MARS can identify and model complex, non-linear ... -
Can Elon Mask's Twitter Posts About Cryptocurrencies Influence Cryptocurrency Markets by Creating a Herding Behavior Bias
(Ahmet Arif Eren, 2022)The main purpose of this study is to examine the effects of Elon Mask's Twitter posts about cryptocurrencies on cryptocurrency markets within the scope of herding behavior bias. For this purpose, the daily price values and ... -
On a three dimensional higher order system of difference equations
(Watam Press, 2022)In this work, we derive the solutions form of the following three-dimensional system of nonlinear difference equations of higher-order (Formula presented). where the parameters α, β, a, b, A, B and the initial values x−i, ... -
Depremlerin sigortacılık sektörü hisse senetleri üzerinde etkisi olabilir mi? 2020 yılındaki İzmir depremi üzerine bir araştırma
(Dokuz Eylül Üniversitesi İktisadi ve İdari Bilimler Fakültesi, 2022)Bu çalışmada, depremlerin sigortacılık sektöründe faaliyet gösteren firmaların hisse senetleri üzerindeki etkisinin incelenmesi amaçlanmıştır. Bu amaçla, İzmir şehrinde şiddetli yıkıcı etkiler yaratan 30 Ekim 2020 tarihinde ... -
Impact of COVID-19 first official vaccine approval on precious metals: a behavioral finance approach
(Alanya Alaaddin Keykubat Üniversitesi İktisadi, İdari ve Sosyal Bilimler Fakültesi, 2022)This research aims to reveal the effect of first official COVID-19 vaccine approval on precious metal prices in terms of return and volatility. Within the context of precious metal, gold, silver, platinum, and palladium ... -
Aile şirketlerinin finansal karar verme süreçleri: planlı davranış teorisi çerçevesinde bir araştırma
(2022)Bu çalışmanın amacı, Planlı Davranış Teorisi çerçevesinde aile şirketlerinin finansal karar verme süreçlerini etkileyen faktörleri incelemektir. Araştırmada, Aksaray OSB’de faaliyet gösteren aile şirketleri anakütle olarak ... -
A window dea based efficiency evaluation of the public airports in Turkey: 2014-2019 case
(Academy Economic Studies, 2022)Aviation is strategically important because of its enormous contribution to the economy, as well as being the field of application and production of new technologies. The efficiency of airports comes to the fore in efficiency ... -
Hierarchical groups DEA cross-efficiency and TOPSIS technique: An application on mobile money agents locations
(Inderscience Publishers, 2022)Ranking of efficient decision-making units (DMUs) allows a further analysis of the data envelopment analysis (DEA) efficient DMUs, where otherwise a high number of efficient DMUs can be identified. The current research ... -
Muhasebe meslek mensuplarının büyük veri analitiği teknolojisi direncine yönelik bir araştırma
(IJMEB, 2021)Bu çalışmanın amacı, Statüko Yanlılığı (Status Quo Bias) Teorisi çerçevesinde muhasebe meslek mensuplarının yeni veri analitiği teknolojisi direncine neden olan faktörleri incelemektir. Araştırmada, Aksaray ilinde aktif ... -
Performance management of OECD countries on Covid-19 pandemic: a criticism using data envelopment analysis models
(Emerald Group Holdings Ltd., 2021)The Covid-19 pandemic spread rapidly around the world and required strict restriction plans and policies. In most countries around the world, the outbreak of the disease has been serious and has greatly affected the health ... -
How consumer confidence index affects foreign investors' portfolio and equity security investments: a research on Turkey
(Celal Bayar Üniversitesi, 2021)In this study, it has been investigated whether the consumer confidence index, which is an indicator of investor sensitivity, has an effect on the portfolio and equity security investments of foreign investors. Analyses ... -
A novel approach for determining common weights in two division network DEA: a case study of Science and technology parks in Turkey
(Routledge, 2022)Data Envelopment Analysis is a popular tool for assessing the relative efficiency of units, treated as a whole unit, without considering the internal structure of decision-making units. In contrast to the conventional ... -
Gray’in muhasebe değerleri üzerine ampirik bir değerlendirme
(2021)Bu çalışmada, Gray’in teorik olarak ileri sürdüğü muhasebe değerleri olan profesyonellik, tekdüzelik, tutuculuk ve gizliliğe yönelik ampirik bir değerlendirme gerçekleştirmek amaçlanmıştır. Araştırmanın, Türkçe literatürde ... -
The determination of the most suitable inertia weight strategy for particle swarm optimization via the minimax mixed-integer linear programming model
(Emerald Publishing, 2021)Purpose This paper aims to consider each strategy of the particle swarm optimization (PSO) as a unit in data envelopment analysis (DEA) and uses the minimax mixed-integer linear programming DEA approach to find the most ... -
On the system of difference equations
(Islamic Azad University, 2020)In this paper, we show that the system of difference equations x(n) = x(n-2)y(n-3)/y(n-1)(a(n)+b(n)x(n-2)y(n-3)), y(n) = y(n-2)x(n-3)/x(n-1)(alpha(n)+beta(n)y(n-2)x(n-3)), n is an element of N-0, where the sequences ...
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