Samet Gürsoy

Burdur Mehmet Akif Ersoy University · International Trade and Customs Business

This study examines the relationship between energy prices and geopolitical risk. However, it was investigated relations between selected non-renewable energy prices and the Geopolitical Risk index (GPR). In the study, the Hatemi-J asymmetric causality relationship was run among brent oil price, gas price and geopolitical risk (GPR) index, geopolit...

Abstract This study aimed to examine the causal connection between geopolitical risks and Turkey's international tourist arrivals. The causality was tested between risk indices and foreign visitor demand on monthly data. Turkey was selected because many geopolitical risks had occurred in the last two decades and has had a terror risk named PKK for...

Purpose- Metaverse is one of the blockchain-based digital assets developed in recent years. The concept of metaverse refers to an alternative virtual universe in which individuals are represented by their avatars (virtual representation), they can create applications, socialize, buy and sell goods and services, and share. In addition, there are met...

The aim of this study is to investigate the impacts of wind and geothermal energy consumption on economic growth and financial development over the period 2016:M1 and 2020:M11. The data obtained from Germany, Iceland, Italy, Japan, Mexico, New Zealand, Portugal, Turkey, and the United States of America, which consume wind and geothermal energy, wer...

This paper seeks to elaborate on theoretical aspects of the usage of artificial intelligence (AI) solutions in the context of the ongoing digitalization tendencies, including them in consideration of trends, sectors, data security, and sustainability. With the increasing pace of digital transformation across all sectors of the economy, the need for...

The aim of this study is to explain the relationship between Oil Price Uncertainty (OPU) and the stock markets of BRICS countries. For this purpose, monthly OPU Index and stock market data of BRICS countries in the period between August 1997 and December 2019 are used. The results are as follows: (i) FARDL, ADL and RALS-ADL test results indicated t...

The ongoing war between Russia and Ukraine has deeply affected many countries, mainly EU member states, and has led to an energy crisis. However, this war is also an opportunity for the world to transition from fossil fuels to clean energy because the renewable energy transition has the potential to both reduce Russia's energy revenues and ensure t...

Bu çalışmada, enfeksiyon hastalıklarının hisse senedi piyasalarındaki oynaklığını ölçen EMV (Equity Market Volatility: Infectious Disease Tracker) endeksi ile gelişmekte olan piyasalarda sağlık sektöründeki firmaların hisse performanslarını ölçen EMHC (Emerging Markets Health Care) endeksi, Avrupa’daki sağlık sektörüne yatırım yapan şirketlerin per...

In this paper, the effects of the Russia-Ukraine conflict on the stock markets of Turkey (BIST), which has strong economic relations with both countries, and Russia (MOEX), one of the parties to the conflict, are investigated. The relationship between the stock indices for the overlapping sectors of both stock markets (namely the consumption, elect...

This research aimed to investigate the relationship between climate policy uncertainty (CPU), clean energy (ENERGY), carbon emission allowance prices (CARBON), and Bitcoin returns (BTC) for the period from August 2012 to August 2022. The empirical analysis strategies utilized in this study included the Fourier Bootstrap ARDL long-term coefficient e...

The goal of this study is to examine the role of geopolitical risks as a driver of stock market returns in the context of the energy-stock market nexus with a particular emphasis on the intermediary role of energy supply for Turkiye. Our findings confirm the role of GPRs as a net transmitter of shocks to the stock market. However, while electricity...

This study examines the relationship between climate policy uncertainty (CPU), China's environmental impact, social responsibility and corporate governance practices (ESG) leader scores and logistics stocks. China Ocean Shipping Company (COSCO), one of the pioneers in global markets, was chosen to represent the logistics industry. The variables wer...

Purpose This study aims to examine the effect of environmental, social and corporate governance (ESG) scores on stock markets for the period from February 2018 to December 2022 for G7 countries. Even though ESG is an established area of investigation, prior research has paid inadequate attention to the nexus of ESG scores and stock markets in G7 (G...

This research aims to reassess the impact of nuclear energy consumption and financial development on environmental quality using annual data from 1993 to 2019 for 11 countries with the highest nuclear energy consumption. Additionally, the study seeks to test the validity of the N-shaped EKC hypothesis. The findings of this study indicate a long-ter...

ChatGPT is a derivative of the GPT model and is an artificial intelligence technology used in the field of natural language processing. This model is used to generate appropriate responses to the user's text-based input by pre-training large amounts of text. The aim of this study is to examine the advantages, disadvantages, opportunities and threat...

Green initiatives and digital transitions in Central European countries are catalyzing significant transformations within the region's socioeconomic landscape, embedding contemporary technologies into daily life and commercial activities. Consequently, this fosters improved environmental quality through sustainable practices. This research unravels...

Prices of natural gas, coal, and electricity have risen to the highest level of the last ten years in the last quarter of 2021. It's possible to express that energy prices in 2021 were much higher, compared to the crisis of 2020's Covid-19 breakout's historical descent in the first few months. There are a few factors to this rally. The epidemic cau...

This study aimed to reveal the emergence of the vaccine against COVID-19 and its influence on the stock markets. In line with this purpose, this study seeks answers to some questions, whether vaccination supports the recovery of financial markets or not, and in which direction the effect is similar in the context of developed and developing countri...

This study investigates the effect of financial development and economic growth on ecological footprint by including non-renewable energy consumption and trade openness as additional determinants. For this purpose, annual data of 10 countries with the highest ecological footprint (China, the USA, India, Japan, Brazil, Indonesia, Mexico, Korea, Turk...

This study investigates the effects of the 2023 Turkey earthquake on financial markets. This great disaster that took place in Turkey on 06.02.2023, Earthquakes originating from the center of Kahramanmaraş occurred with magnitudes of 7.7 and 7.6, and affected 11 cities (Kahramanmaraş, Hatay, Gaziantep, Malatya, Diyarbakır, Kilis, Şanlıurfa, Osmaniy...

This paper investigates the relationship between geothermal energy consumption, economic growth, and foreign direct investments in countries where geothermal energy production is possi-ble. However, it was applied the panel Fourier granger causality and panel Fourier Toda Yamamoto causality tests (2020-2021), which can take into account smooth tran...

In recent years, the increase in global crises in areas such as climate, food, health, and international relations has led to an increase in the level of interest of both economists and senior managers in macroeconomic indicators. In this context, the consumer confidence index and the geopolitical risk index have become increasingly popular in both...

This study aims to reveal the asymmetric effect of real exchange rate volatility on bilateral trade between Turkey and 8 European Union member countries under different economic cycles. Accordingly, monthly data from January 2005 to December 2021 were analyzed with Markov regime switching models. The findings show that an increase in real exchange...

In this paper, we investigate the effect of the monetary policy uncertainty index for the US on the dollar index. In other words, in this study, the relationship between the US MPU (USM) and the Dollar index (XD) was examined. We employ the Hatemi-J (2012) asymmetric causality test from the period January 1986 through August 2020 by using monthly d...

Foreign trade plays a key role in the development of a country's economy and international social relations. Accordingly, the increase and decrease in a country's trade openness directly and indirectly affects macroeconomic indicators. In short, it is important to know the expected relationship between trade openness and inflation for a country's e...

Energy production is a phenomenon that has always preserved its importance for the history of humanity, as well as where the energy is spent and its consumption are also important. This study examined the causality relationship between Bitcoin energy consumption and Apple, Dell Technologies, Lenova Group, HP, Quanta Computer, Compal Electronics, Ca...

It is known that many countries have made intensive researches and made important technological developments in order to benefit from the wind energy potential, and even in today's conditions, they use some of this potential economically. In the light of these developments, it is important to investigate the relationship between wind energy, especi...

Volatility Indices are an important indicator for investors to accurately predict returns and risks in case of uncertainty in the markets. In this study, the effects of the gold, silver, and oil volatility indices (GVI, SVI and OVI) on the returns and volatility of both spot and futures assets were investigated using the VAR-EGARCH procedure. The f...

To cite this document Akkus, H.T, Gursoy, S.,Dogan, M., (2022). The volatility spillover between NFT investment index and global technology index: DCC-GARCH application. Research Journal of Business and Management (RJBM), 9(2), 85-91. Permanent link to this document: http://doi. ABSTRACT Purpose-NFT is a digital token that represents a unique, one-...

This study aims to analyze the causal relationship between electricity consumption, price and transaction volume of Bitcoin, which is the most important asset of the crypto money market in terms of both market capitalization and transaction volume. In this study, the Bitcoin electricity consumption variable is represented by Cambridge Bitcoin Elect...

The new period, which started with the increase in energy prices in Europe, turned into a crisis in a short time and had a serious negative impact on the locomotive economies of the continent. Russia's attempts to reduce the amount of supply, despite the increasing energy demand of the European economies in the recovery effort, appear as the trigge...

Over the past ten years, Turkey has actualized most intensive foreign trade with Germany, the UK, Russia and China. This study is also wonder that whether the same financial relations perform among the Turkey and trade partners in the equity markets. Therefore, five equity markets was determined for each country consist of the BIST100, FTSE100, DAX...

Bugün dünya üzerinde işlem yapılan tüm piyasalar için risk ve belirsizlik büyük önem arz etmektedir. Özellikle finansal piyasaların en aktif pazarları olan ülke borsalarında bu durum daha belirgin olarak görülebilmektedir. Hatta dünyanın önde gelen ülke borsalarında gerçekleşen ekonomik, politik, finansal belirsizliklerin getiri kaybına sebep olmak...

Purpose- Investigating the relationship between the energy consumption for Bitcoin and the price and policy uncertainties in the cryptocurrency markets. Methodology- It was preferred for unit root tests of series the Zivot-Andrews Unit Root Test, which takes into account structural breaks. Depending on the stagnation of the variables at different l...

Bu çalışmanın temel amacı Küresel Belirsizlik Endeksi ile BRICS ülkelerinin borsaları arasındaki volatilite etkileşimini araştırmaktır. Buna bağlı olarak Ocak 2005 – Ekim 2020 dönemine ait aylık veriler kullanılarak BEKK-GARCH modeli çalıştırılmıştır. Yapılan analizler sonucunda Küresel Belirsizlik Endeksinden BRICS ülkelerinin borsalarının tamamın...

It is argued that the economy model, in which public sector is predominant provides more advantages than the economy model in which market economy is effective in the process of ensuring macroeconomic stability, and this is a requirement of the welfare state understanding. From this basic view, the relationship between the economic size of public s...

21. yüzyıl ile birlikte gelişen ve beraberinde değişen ticari imkanlar sermayenin ülkeler arasında transferine de hız kazandırmıştır. Bu durumun ortaya çıkmasının temelinde teknolojik ilerlemeler ve dijital dönüşümler gibi etkenler olsa da asıl amaç kar maximizasyonu ve getiri artışı olmaktadır. Özellikle gelişmekte olan ülkelerde ki bu sermaye har...

Kripto paralar bugün 2,4 trilyon dolar hacmine ulaşmış en popüler finansal yatırım aracı olmuştur. Diğer bir taraftan kripto paralar finansal yatırım aracı mıdır? geleceğin parası mıdır? Yoksa başka bir sınıfta mı değerlendirilmeli mi? Bu konular üzerinde henüz bir fikir birliği yoktur. Fakat bir kısım insanlar ve bununla birlikte devletler düşüne...

Finansal piyasalar, öncelikle güven ve barış ortamında sürdürebilmektedir. Bu durum teknolojik ilerleme ile birlikte daha hassas bir hale gelmiştir. Dünyanın bir köşesinde ki risk ve belirsizlik bilgisi iletişim araçları ile hızlıca dünyayı dolaşarak bir anda herkesi ilgilendir hale gelebilmektedir. Bu durum bu risk ve belirsizliklerin finansal piy...

Bu çalışmada, Bitcoin elektrik tüketiminin, Bitcoin üretiminde önde gelen seçili ülkelerin enerji piyasaları ile arasındaki ilişki araştırılmıştır. Çalışmada 22.05.2017-10.02.2021 dönemine ait haftalık veriler kullanılmıştır. Cambridge Bitcoin Elektrik Tüketim Endeksi (CBECI) ile S&P 500, MOEX ve SSE enerji endeksleri arasındaki volatilite hareketl...

J-curve which explains the possible effects of exchange rates on foreign trade states that the depreciation of national currency worsens the trade balance in the short-term and has an improvement effect in the long-term. The success of devaluation in affecting the trade balance positively depends on the fulfillment of Marshall-Lerner condition. Acc...

The gold mine has been a commodity used for thousands of years, today it is also an investment tool with the highest reliability. However; cryptocurrencies that are recently used are affecting our portfolio. Bitcoin is the most traded cryptocurrency. Since there are alternative investment instruments involved in portfolios, the relationship between...

This study aims to explore the effects of geopolitical risk on the Borsa İstanbul (BIST) tourism index and tourist arrivals. The effects of the geopolitical risk index on the BIST tourism index and tourist arrivals were analyzed based on the data between January 1998 and October 2020, and the findings were presented. Time series analysis methods we...

Günümüzde özellikle kripto paraların artan popülaritesi ile birlikte paranın değişim evreleri ve bugün ki haline nasıl geldiği merak edilmektedir. bu kitap çalışması paranın bugün ki haline gelmesinde geçirdiği evrelerini bu kitabın sayfaları ile sınırlı olarak anlatmaktadır. kitapla ilgili görüş ve önerileriniz benim için çok önemlidir. görüş ve ö...

The purpose of this study is to explore the relationship among geopolitical risk index (GPR) improved by the Caldara and Iacoviello (2018) and CDS for Turkey. In this study, it was used monthly dates of Turkey's geopolitical risk index and 5 year CDS between March 2010 and October 2020. In order to investigate the relationship between variables, it...

veri erişim adresi: https://www.policyuncertainty.com/ bu endeksler belirsizlikler söylemleri dikkate alınarak hesaplanmaktadır. endekslerdeki değişimin finansal piyasalardaki değişimi açıkladığı birçok akademik çalışma ile de desteklenmektedir. ayrıca birçok ülke için veriye ulaşım olanağı vardır. https://www.policyuncertainty.com/

Küreselleşme finansal piyasaları birbirine bağlı ve bağımlı hale getirmektedir. Bu nedenle bir ülkede yatırım yapmak isteyen kişiler yatırımlarından kazanç sağlamak için hem ülke içindeki hem de ülke dışındaki diğer ekonomik gelişmeleri takip etmelidir. Bu çalışmada ise Türkiye için dış belirsizliklerin iç piyasadaki finansal etkileri ölçülmek iste...

The Interest in Bitcoin is increasing both in cryptocurrency exchanges and academic studies. Studies generally take into account financial asset variables that are thought to have an impact on the price of Bitcoin. In this study, it was used the monetary policy uncertainty indices based on the terms of the newspaper news about monetary policy uncer...

Türkiye gibi gelişmekte olan birçok ülkede yüksek enflasyon oranlarının en temel sorunlardan bir tanesi olmasına bağlı olarak, enflasyon oranlarının faiz oranı üzerindeki etkisi halen tartışılmaktadır. Bu çalışmada ise bu durumun iktisat literatüründe bir karşılığı olan Fisher Etkisi göz önünde bulundurularak incelenmiştir. Bu doğrultuda Ocak 2005...

With the perception of risk in global markets, it changes in monetary processes. First, money has transformed from metals to paper and then into digital numbers. Money has become increasingly abstracted and now equipped with equipment that can be produced by individuals, independent of states. In this context, coins created as a cryptology method h...

Bu çalışma ile ekonomik politik belirsizliğin turizm getirileri üzerindeki etkisinin araştırılması amaçlanmaktadır. Bu doğrultuda Türkiye’nin turizm sektörü için önemli sayılan ülkeler seçilmiş ve bu ülkelerin ekonomik belirsizlik endeksleri ile Bist turizm getirileri arasında ikili testler şeklinde asimetrik nedensellik modelleri kurulmuştur. Çalı...

Borsa İstanbul bünyesinde yatırım amaçlı pek çok hisse senedi endeksi hesaplanmaktadır. Bu kapsamda Borsa İstanbul tarafından finans alanı için BİST pay endeksleri arasında şehir endeksleri oluşturulmuştur. BİST Şehir Endeksleri bulunduğu bölgedeki kalkınma durumunun yanı sıra yatırım yapmak isteyen kesime yol gösterici nitelikte bir özelliğe sahip...

The Fed has two main tasks, such as ensuring price stability and increasing employment. To achieve these targets, the Fed implements four different monetary policy instruments: open market operations, reserve interest rates, discount rate and payment of interest to reserves. The Fed's independence is not absolute, but it is based on mutual cooperat...

Although Cryptocurrencies have not yet been accepted as an official currency worldwide, their using tends to increase day by day by both individuals and institutions. The rapid spread of the use of cryptocurrencies has increased the acceptance of money as an investment tool outside of the exchange function. This situation raises the need to questio...

Uluslararası yatırımcılar açısından bir yatırımın riskinin ölçülmesi kadar yapılacak olan yatırımın öngörülebilir olması da ayrıca bir önem arz etmektedir. Bu nedenle aniden ortaya çıkan sel, deprem, savaşlar ve salgın hastalıklar gibi öngörülemeyen durumların piyasalara etkisinin öngörülmesi ve ölçülmesi merak edilmiştir. Bu çalışmada ise 2019 Ara...

21. yüzyıl toplumsal alanda birçok yeniliği beraberinde getirirken hiç şüphesiz küresel piyasalar açısından da değişim kaçınılmaz olmuştur. Bu değişikliklerden biri de piyasalardaki risk algısı olmuştur. Riskin yönetilmesi her geçen gün daha da önemli hale gelmektedir. Günümüzde uluslararası piyasalarda oluşan finansal risklerin ölçülmesine olanak...

The VIX index, the largest volatility indicator index of the USA, has been derived from the S&P 500 index and has been carefully monitored by international investors since 1993. While the VIX index was previously followed by investors from developed countries, it is now followed by investors who evaluate their investments in developing countries. I...

z Son dönemlerde küresel ölçektek� yatırımcılar tarafından üzer�nde çok durulan volat�l�te kav-ramı, yatırımcıların yatırım kararları alırken d�kkat ett�kler� noktalardan b�r� hal�ne gelm�şt�r. Gerek ulusal gerekse de uluslararası yatırımcılar şeffaf, güven�l�r ve öngörüleb�l�r b�r finansal çıktı elde etmek �stemekted�rler. F�nansal tablo-ların ana...

Bu çalışmada, Covid-19 Koronavirüs salgınıyla finansal göstergeler arasındaki nedensellik ilişkisini ortaya koymak amaçlanmıştır. Bu bağlamda virüsün ortaya çıktığı ülke olan Çin`in gösterge pay piyasası olan SSEC endeksi bağımlı değişken olarak alınırken bağımsız değişken olarak altın, Brent petrol, Bitcoin ve VIX endeksi verileri kullanılmıştır....

In the study that attempts to determine the returns and volatility spillover between developed and developing countries, daily data for 02.01.2006-15.09.2017 period is used. According to the results of the multivariate VAR-EGARCH model mean equation, it is found that the UK and Japanese stock markets, especially the US, have a strong return spillov...

Uluslararası piyasalarda 1929`dan 1970`lere kadar etkisini gösteren Keynesçi düşünce yapısının bir sonucu olan korumacı ve müdahaleci yaklaşım, artık yerini daha liberal ve dışa açık bir şekilde işleyen piyasalara bırakmıştır. Bu yaklaşım önceleri finansal sermaye ihtiyacı duyan az gelişmiş veya gelişmekte olan ekonomiler için bir can suyu niteliği...

Effects of Instıtutıonalızatıon on Famıly Busıness ın Internatıonal Marketıng Actıvıtıes The biggest step for family businesses is the institutionalizing which offer to carry out the activities of companies in terms of development. However, family businesses are generally adopted “one-man management, they do not positive about an idea of instituti...