25 results on '"Bora Aktan"'
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2. THE INTERDEPENDENCE BETWEEN STOCK MARKET DEVELOPMENT AND ECONOMIC GROWTH: A MULTI-COUNTRY EXAMINATION
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Hana Bawazir, Mukesh Kumar, Saban Celik, Khadija Abdulredha Abdulla, and Bora Aktan
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stock market development ,economic growth ,financial market ,causality ,Economic theory. Demography ,HB1-3840 - Abstract
This paper attempts to test the relationship between economic growth and equity market development in GCC region which is the Cooperation Council for the Arab States of the Gulf, namely, Saudi Arabia, Bahrain, the United Arab Emirates, Oman, Kuwait and Qatar over the period of 2000 and 2017. The Generalized Linear Mixed Model (GLMM) is adopted to find the nexus and the nature of the relationship. Compared to the conventional regression models, GLMM provides a more reliable conclusion accounting for the missing data and eliminate the country specific differences. The study finds a significant positive association between stock market liquidity (SML) and per capita real gross domestic product (GDP) but insignificant negative association between stock market capitalization (SMC) and GDP in the long run. The results also indicate that SML and SMC are significantly and positively correlated. Considering well-performing stock markets can enhance the nation’s wealth, reduce the over-dependence on oil as a major contributor to the economic growth, the results suggest that policy makers in the region ought to play more active role to stimulate their equity markets together with global integration.
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- 2020
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3. THE IMPACT OF A RECENT NATURAL DISASTER ON THE JAPANESE FINANCIAL MARKETS: EMPIRICAL EVIDENCE
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Bachar Fakhry, Bora Aktan, Omar Masood, Manuela Tvaronavičienė, and Saban Celik
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Financial Markets ,Natural Disasters ,Japan ,EMH ,Volatility tests ,Business ,HF5001-6182 - Abstract
The devastating Japan earthquake (magnitude 9.0) and tsunami (39-metre high) of 2011, also called the Great Tohoku or Sendai earthquake, was a record-breaker natural disaster causing enormous damage and a nuclear meltdown at Fukushima nuclear power plant. This paper attempts to analyse the long and short run effects of this record-breaking natural disaster on the Japanese equity, debt and FX markets as well as Gold as one of the most popular metals and investment options, using daily data. A variance bound test proposed by Fakhry & Richter (2018) underpinned by the C-GARCH-t model of volatility is adopted. The results seem to indicate that the natural disaster influenced the efficiency of the market in the immediate terms more than the long term. In a global financial market where the key is competitiveness, it is essential to analyse the efficiency and therefore stability of the Japanese financial market. Therefore, analysing the impact of the natural disaster on the competitiveness of the Japanese financial market.
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- 2018
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4. Hype vs Reality on US and BRICS stock markets going their separate ways: post-crisis evidence
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Bora Aktan
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BRICS ,emerging economies ,integration ,stock index ,stock markets ,Finance ,HG1-9999 - Abstract
This paper examines the long-term relationship between BRICS and US stock markets by employing the cointegration technique and Granger causality to investigate the cointegration and causality direction in the capital markets. The impulse response function it is also employed to evaluate the persistence of the shocks. In the analysis, daily spot stock index returns are used from 2010 till 2017. The main findings of the cointegration analysis indicate that the US and BRICS stock markets are cointegrated and at least one cointegration vector exists among them. The Granger causality test shows that unidirectional causality runs from the US market towards the Russian, South African and Indian stock markets, while there is a bidirectional causal relation between US and Brazil stock markets.
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- 2018
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5. Bank-specific vs. macro-economic factors: what drives profitability of commercial banks in Saudi Arabia
- Author
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Farkhanda Shamim, Bora Aktan, Mohammed Attaitalla Abdulla, and Nabeel Mohammed Yaseen Sakhi
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banking ,commercial banks ,GCC ,profitability ,Saudi Arabia ,Banking ,HG1501-3550 - Abstract
The goal of this study is to determine the elements that contribute to the profitability of commercial banks in Saudi Arabia. The study is important due to the fact that Saudi vision 2030 foresees Saudi Arabia as a global investment powerhouse and fulfilling this objective requires a profitable banking sector. The method chosen for the study is multiple regression analysis. The sample data is taken for the period ranging 2009 and 2015 for the 12 local banks. The research concludes that bank’s internal factors specifically, bank size, liquidity, credit risk and operational efficiency are significantly determining the profitability in the banks as compared to the economy’s macro-economic variables.
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- 2018
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6. Why do financial services companies pay dividend? Evidence from Qatar Stock Exchange
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Sumathi Kumaraswamy, Bora Aktan, and Zainab Hafedh Al Halwachi
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banks ,dividend policy ,earnings ,financial institutions ,Qatar ,Finance ,HG1-9999 - Abstract
This study identifies the dividend policy determinants of banks and other financial institutions listed on Qatar Stock Exchange (QSE) for a period from 2009 to 2015 through studying the impact on eight factors on banks’ dividends per share. Three models were adopted to investigate the determinants of the dividend policy and the factors that affect a bank’s decision to pay out dividends. The findings indicate that the previous year’s dividends per share, earnings per share, cash flow per share, firm size and return on average equity are positively related to the current year’s dividends per share, as hypothesized. The study shows that the leverage position, bank’s life cycle and growth opportunities are negatively related to the dividend payment. The study also reveals that banks and financial institutions in Qatar do a bit of “earnings smoothing” when comparing the earnings figures with the cash flow.
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- 2017
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7. Which resources matter the most to firm performance? An experimental study on Malaysian listed firms
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Omar Masood, Bora Aktan, Seref Turen, Kiran Javaria, and Mohamed Sayed Abou ElSeoud
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Donabedian’s structure process outcome theory ,firm performance ,Malaysia ,resource-based theory ,tangible and intangible resources ,Business ,HF5001-6182 - Abstract
This study investigates the impact of various resources, specifically both tangible and intangible ones, together with capabilities of Malaysian listed firms, on their performance. This empirical study attempts to enrich the understanding of the resources-performance relationship, which is one of a business process within the firm, as well as filling the gaps in present knowledge. Firms, which are not able to develop and sustain their performance, are associated with the vulnerability and adverse performance result, especially during various periods of economic crisis (three sub-periods of major shocks, i.e., The Volcker Shock (Commodities Shock) of early 1980s, Asian Financial Crisis of the late 1990s, and the Global Financial Meltdown of 2008). Hence, this research intends to explore which resources matter the most to firm profitability and its success. Drawing upon the combination of Donabedian’s structure process outcome and resource-based theories of the firm a conceptual framework is developed. Data for the study were collected from a sample of 250 publicly traded companies listed on Bursa Malaysia (MYX). In order to achieve the objective and response to the study question, partial least square and regression analysis are applied. Findings indicate that tangible resources have no impact, while intangible resources have positive and significant impact on firm performance. In addition, results show that efficient allocation of intangible resources is crucial to achieving good performance.
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- 2017
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8. Predicting Islamic banks performance through CAMELS rating model
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Omar Masood, Shahid Mohammad Khan Ghauri, and Bora Aktan
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Banking ,HG1501-3550 - Abstract
This paper analyzes the performance of Islamic banks operating in Pakistan according to their financial results of the year 2015. CAMELS rating model is applied in this research. This model is based on certain financial ratios which are excerpt from values in the financial statements of banks. The authors conduct the research under the umbrella of quantitative paradigm. The authors found that 2 of the Islamic banks are showing satisfactory results, while others are on fair position. There is a need to develop financial markets for treasury operations for these banks. Results help in development of growth strategy for Islamic banks in Pakistan, as well as they might be useful to create a fair snapshot for regulators to develop growth strategy for this stream of banking. Keywords: Islamic banking, performance, growth analysis, CAMELS. JEL Classification: G02, G21, G32
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- 2016
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9. Price Inflation in the Agricultural Sector During the Covid-19 Pandemic: Is it a Supply or Demand Issue
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Aktan, Bora Aktan, primary, Masood, Omar, additional, Ather, Muhammad, additional, and Elseoud, Mohamed Sayed Abou, additional
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- 2023
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10. Firm dynamics and bankruptcy processes: A new theoretical model
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Bruce Burton, Saban Celik, and Bora Aktan
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Bankruptcy ,Financial economics ,Dynamics (music) ,Strategy and Management ,Modeling and Simulation ,Economics ,Financial distress ,Management Science and Operations Research ,Statistics, Probability and Uncertainty ,Computer Science Applications - Published
- 2021
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11. The impact of soft information and institutional quality on foreign bank efficiency – Evidence from ASEAN-5 countries
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Bora Aktan, Bruce Burton, Sok-Gee Chan, and Eric H. Y. Koh
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Estimation ,Economics and Econometrics ,050208 finance ,Stability index ,Process (engineering) ,05 social sciences ,Affect (psychology) ,Soft information ,0502 economics and business ,Econometrics ,Economics ,Data envelopment analysis ,050207 economics ,Finance ,Institutional quality ,Generalized method of moments - Abstract
This paper provides evidence regarding the impact of soft information on foreign bank efficiency in the ASEAN-5 market in the years following the Asian crisis. The analysis presented here develops previous literature by disaggregating soft information into five difference types and examining whether institutional quality (proxied for by host-country economic risk stability index) mitigates the impact. Using a three-stage estimation process we find that soft information does indeed affect foreign banks’ efficiencies in an identifiable manner, but host-country institutional quality acts so as to significantly lessen the effect.
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- 2021
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12. Price Inflation in the Agricultural Sector During the Covid-19 Pandemic: Is it a Supply or Demand Issue
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Bora Aktan Aktan, Omar Masood, Muhammad Ather, and Mohamed Sayed Abou Elseoud
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General Economics, Econometrics and Finance ,General Business, Management and Accounting - Published
- 2023
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13. Do foreign direct investments influence environmental degradation? Evidence from a panel autoregressive distributed lag model approach to low-, lower-middle-, upper-middle-, and high-income countries
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Burcu Bahceci Baskurt, Saban Celik, and Bora Aktan
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Cross-Sectional Studies ,Health, Toxicology and Mutagenesis ,Developed Countries ,Environmental Chemistry ,General Medicine ,Economic Development ,Renewable Energy ,Carbon Dioxide ,Investments ,Pollution - Abstract
The main aim of the present study is to examine the possible nonlinear relations between foreign direct investments and environmental deterioration for subpanels separated according to the income levels of countries by using the classification made by the World Bank. Total energy consumption, economic growth, and renewable energy share are also considered as determinants of environmental deterioration in the model. Cross-sectional dependence is observed; hence, appropriate panel data unit root and cointegration tests are utilized for which results pointed out mixed integration order. Pooled mean group (PMG) estimator panel auto-regressive distributed lag (ARDL, hereafter) approach is adapted to observe short- and long-run relationships between the variables. Long-run results supported the pollution haven hypothesis as foreign direct investments caused an increase in ecological footprint. Findings are sensitive to different income levels of the subpanels of countries. This empirical study suggests tailored policymaking for every income level subpanel to ensure sustainable development.
- Published
- 2021
14. The impact of credit ratings on capital structure
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Saban Celik, Yomna Abdulla, Bora Aktan, and Naser Alshakhoori
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Economics and Econometrics ,Leverage (finance) ,Capital structure ,media_common.quotation_subject ,Notch ratings ,Monetary economics ,Development ,Structuring ,Credit rating ,Size ,Stock exchange ,Debt ,0502 economics and business ,ddc:330 ,Debt issuance ,050207 economics ,Leverage ,media_common ,050208 finance ,05 social sciences ,Equity (finance) ,Broad ratings ,Credit ratings ,Business ,Finance ,European debt crisis - Abstract
Purpose The purpose of this paper is to empirically investigate the effect of real credit ratings change on capital structure decisions. Design/methodology/approach The study uses three models to examine the impact of credit rating on capital structure decisions within the framework of credit rating-capital structure hypotheses (broad rating, notch rating and investment or speculative grade). These hypotheses are tested by multiple linear regression models. Findings The results demonstrate that firms issue less net debt relative to equity post a change in the broad credit ratings level (e.g. a change from A- to BBB+). The findings also show that firms are less concerned by notch ratings change as long the firms remain the same broad credit rating level. Moreover, the paper indicates that firms issue less net debt relative to equity after an upgrade to investment grade. Research limitations/implications The study covers the periods of 2009 to 2016; therefore, the research result may be affected by the period specific events such as the European debt crisis. Moreover, studying listed non-financial firms only in the Tadawul Stock Exchange has resulted in small sample which may not be adequate enough to reach concrete generalization. Despite the close proximity between the GCC countries, there could be jurisdictional difference due to country specific regulations, policies or financial development. Therefore, it will be interesting to conduct a cross country study on the GCC to see if the conclusions can be generalized to the region. Originality/value The paper contributes to the literature by testing previous researches on new context (Kingdom of Saudi Arabia, KSA) which lack sophisticated comparable studies to the one conducted on other regions of the world. The results highlight the importance of credit ratings for the decision makers who are required to make essential decisions in areas such as financing, structuring or operating firms and regulating markets. To the best of the authors’ knowledge, this is the first study of its kind that has been applied on the GCC region.
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- 2019
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15. Factors affecting development patterns: econometric investigation of the Japan equity market
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Muhammad Ather Ashraf, Omar Masood, Natalja Lace, Manuela Tvaronavičienė, Bora Aktan, and Kristina Garškaitė-Milvydienė
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Economics and Econometrics ,Equity (finance) ,Monetary economics ,lcsh:Regional economics. Space in economics ,japan ,Deflation ,economic development ,equity market ,econometrics ,lcsh:HD72-88 ,lcsh:HT388 ,lcsh:Economic growth, development, planning ,Economics ,inflation ,deflation ,Japan - Abstract
In this paper it is assumed that equity markets reflect the development of the overall economy of a country. Equity markets, among other factors, are considerably affected by factors such as inflation or deflation. Therefore, when inflationary or deflationary pressures appear, Central Banks try to manage those pressures in order to minimise their impact on the economy. In this paper, the case of Japan will be examined. Japan can be considered an example of a country which was under extended deflationary pressures for about three decades. In this study, the authors investigate different time frames for the Japan equity market. The research is based on Japan equity market (NIKKEI) returns. The authors aim to answer the question of whether the Japanese market complies with the Efficient Market Hypothesis (EMH) for different time frames, as well as test analytically if Japan’s stock market and economy have improved after the implementation of different attempts at Quantitative Easing (QEs), a Zero Interest Rate Policy (ZIRP) or a Negative Interest Rate Policy (NIRP) to curb deflationary impacts on the economy. The analysis and obtained results could be useful for risk and portfolio management, and could be extended to other markets.
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- 2019
16. CORPORATE GOVERNANCE AND PERFORMANCE OF THE FINANCIAL FIRMS IN BAHRAIN
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Seref Turen, Manuela Tvaronavičienė, Hashem Abdullatif Alsadeh, Bora Aktan, and Saban Celik
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lcsh:Social Sciences ,lcsh:H ,Organizational Behavior and Human Resource Management ,050208 finance ,business.industry ,Strategy and Management ,Corporate governance ,0502 economics and business ,05 social sciences ,Accounting ,Business and International Management ,business ,050203 business & management - Published
- 2018
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17. Bank-specific vs. macro-economic factors: what drives profitability of commercial banks in Saudi Arabia
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Nabeel Mohammed Yaseen Sakhi, Mohammed Attaitalla Abdulla, Bora Aktan, and Farkhanda Shamim
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Marketing ,Organizational Behavior and Human Resource Management ,050208 finance ,Index (economics) ,business.industry ,05 social sciences ,banking ,Scopus ,Saudi Arabia ,commercial banks ,Agricultural economics ,lcsh:HG1501-3550 ,Management of Technology and Innovation ,0502 economics and business ,lcsh:Banking ,profitability ,Profitability index ,GCC ,050207 economics ,Macro ,business ,Law ,Publication ,Finance - Abstract
The goal of this study is to determine the elements that contribute to the profitability of commercial banks in Saudi Arabia. The study is important due to the fact that Saudi vision 2030 foresees Saudi Arabia as a global investment powerhouse and fulfilling this objective requires a profitable banking sector. The method chosen for the study is multiple regression analysis. The sample data is taken for the period ranging 2009 and 2015 for the 12 local banks. The research concludes that bank’s internal factors specifically, bank size, liquidity, credit risk and operational efficiency are significantly determining the profitability in the banks as compared to the economy’s macro-economic variables.
- Published
- 2018
18. Linkage between company scores and stock returns
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Pelin Bengitoz, Bora Aktan, Saban Celik, and Manuela Tvaronaviciene
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stock return ,Economics and Econometrics ,economic ,050208 finance ,company scores ,education ,corporate governance ,05 social sciences ,lcsh:International relations ,social ,environmental ,0502 economics and business ,Political Science and International Relations ,Econometrics ,Economics ,050207 economics ,lcsh:JZ2-6530 ,Stock (geology) - Abstract
Previous studies on company scores conducted at firm-level, generally concluded that there exists a positive relation between company scores and stock returns. Motivated by these studies, this study examines the relationship between company scores (Corporate Governance Score, Economic Score, Environmental Score, and Social Score) and stock returns, both at portfolio-level analysis and firm-level cross-sectional regressions. In portfolio-level analysis, stocks are sorted based on each company scores and quintile portfolio are formed with different levels of company scores. Then, existence and significance of raw returns and risk-adjusted returns difference between portfolios with the extreme company scores (portfolio 10 and portfolio 1) is tested. In addition, firm-level cross-sectional regression is performed to examine the significance of company scores effects with control variables. While portfolio-level analysis results indicate that there is no significant relation between company scores and stock returns; firm-level analysis indicates that economic, environmental, and social scores have effect on stock returns, however, significance and direction of these effects change, depending on the included control variables in the cross-sectional regression.
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- 2017
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19. Međuovisnost razvoja burze i gospodarskog rasta: ispitivanje u više zemalja
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Hana Bawazir, Mukesh Kumar, Saban Celik, Khadija Abdulredha Abdulla, Bora Aktan, Hana Bawazir, Mukesh Kumar, Saban Celik, Khadija Abdulredha Abdulla, and Bora Aktan
- Abstract
U ovom radu istražuje se veza između gospodarskog rasta i razvoja tržišta dionica u regiji GCC, a to je Vijeće za suradnju arapskih država Zaljeva, odnosno Saudijske Arabije, Bahreina, Ujedinjenih Arapskih Emirata, Omana, Kuvajta i Katara u razdoblju od 2000. do 2017. godine. Generalizirani linearni mješoviti model (GLMM) primjenjuje se kako bi se utvrdila povezanost i priroda odnosa. U usporedbi s konvencionalnim regresijskim modelima, GLMM pruža pouzdanije rezultate uzimajući u obzir podatke koji nedostaju i uklanja razlike specifične za pojedine zemlje. Ovim istraživanjem se potvrđuje značajna pozitivna povezanost između likvidnosti na burzi (SML) i realnog bruto domaćeg proizvoda (BDP) po stanovniku, kao i da je negativna povezanost između tržišne kapitalizacije (SMC) i BDP-a dugoročno beznačajna. Rezultati također ukazuju da su SML i SMC značajno i pozitivno povezani. Uzimajući u obzir da uspješne burze mogu povećati nacionalno bogatstvo, smanjiti preveliku ovisnost o nafti kao glavnom faktoru gospodarskog rasta, rezultati sugeriraju da bi kreatori politike u regiji trebali imati aktivniju ulogu u stimuliranju svojih tržišta dionica uključujući i globalnu integraciju., This paper attempts to test the relationship between economic growth and equity market development in GCC region which is the Cooperation Council for the Arab States of the Gulf, namely, Saudi Arabia, Bahrain, the United Arab Emirates, Oman, Kuwait and Qatar over the period of 2000 and 2017. The Generalized Linear Mixed Model (GLMM) is adopted to find the nexus and the nature of the relationship. Compared to the conventional regression models, GLMM provides a more reliable conclusion accounting for the missing data and eliminate the country specific differences. The study finds a significant positive association between stock market liquidity (SML) and per capita real gross domestic product (GDP) but insignificant negative association between stock market capitalization (SMC) and GDP in the long run. The results also indicate that SML and SMC are significantly and positively correlated. Considering well-performing stock markets can enhance the nation’s wealth, reduce the over-dependence on oil as a major contributor to the economic growth, the results suggest that policy makers in the region ought to play more active role to stimulate their equity markets together with global integration.
- Published
- 2020
20. What Ward's clustering method tells about the four largest emerging equity markets
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Makram Bellalah, Sinem Peker, and Bora Aktan
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Economics and Econometrics ,Financial economics ,Big Four ,Equity (finance) ,Business ,Business and International Management ,Emerging markets ,China ,Cluster analysis ,Stock market index ,Hierarchical clustering ,BRIC - Abstract
Investing in stock market indices or ETFs could be more reasonable (and secure) for relatively new and incognisant investors who are personally unable to value of each stock–firm in a way. This paper attempts to group the well-known four largest emerging stock markets so-called BRIC or big-four economies namely Brazil, Russia, India and China based on return characteristics through Ward's hierarchical clustering method over the period of 2005 and 2015. Additionally, the first principle component (PCA) of the related indices is calculated and the abnormal variability is observed through control chart over time. Results indicate that Brazilian and Indian markets show more similarity over the studied period.
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- 2020
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21. Is Improving the Worth of Human Capital a Key Strategy for Bahrain? Empirical Evidence
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Omar Masood, Mohamed Sayed Abou Elseoud, and Bora Aktan
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Government spending ,Consumption (economics) ,Commerce ,Economics ,Open economy ,Monetary economics ,Empirical evidence ,Investment (macroeconomics) ,Discount points ,Emerging markets ,Human capital - Abstract
The aim of this paper is to develop a macroeconometric model for emerging economies as in the case of Bahrain (the most open economy in GCC region) to measure the impact of human capital investment on key macroeconomic indicators (1990 through 2016). The paper also makes an attempt to forecast the effects of changes in government spending on education as a percentage of GDP on the country’s key macroeconomic variables through simulation under 3 different scenarios for the next five years. The main findings point out that an increase in government spending on education over time has a positive influence on human capital in terms of increased employment along with positive effect on output, private investments and consumption whilst contributing to lower inflation rate.
- Published
- 2017
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22. The impact of regime-switching behaviour of price volatility on efficiency of the US sovereign debt market
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Beata Gavurova, Bachar Fakhry, Omar Masood, Raimonda Martinkutė-Kaulienė, Manuela Tvaronavičienė, and Bora Aktan
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0106 biological sciences ,Economics and Econometrics ,050208 finance ,Financial economics ,Bond ,05 social sciences ,01 natural sciences ,010601 ecology ,Efficient-market hypothesis ,witching- autoregressive conditional heteroskedasticity (sW aRch) ,Bond valuation ,Volatility swap ,Regime-switching behaviour ,Price volatility ,regime-switching behaviour ,switching-autoregressive conditional heteroskedasticity (SWARCH) ,sovereign debt market ,0502 economics and business ,Economics ,Volatility smile ,Capital asset pricing model ,Internal debt ,Volatility (finance) ,Sovereign debt market - Abstract
This article focuses on the asset price volatility at the stock exchange that result from the regime switching behaviour in the market. This study is devoted to the question about how the asset price volatility affects the US sovereign debt market. The efficient market hypothesis has been a base for the asset pricing. This hypothesis is discussed in this study. The review of the literature reveals nuances of behavioural finance theory, and allows us to better understand the regime switching behaviour in the market. The object of empirical study is the US sovereign debt market. We use the Markov Regime-Switching ARCH (SWARCH) model to analyse data. The results show that there is high volatility regime in both the 2012 and 2017 bonds US market, which significantly affects bond prices.
- Published
- 2017
23. Кластеризация ключевых показателей на фондовых рынках стран 'Большой семерки': инновационный подход
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Sinem Peker, Bora Aktan, and Manuela Tvaronaviciene
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G-7 countries ,інноваційний підхід ,k-means ,innovative approach ,TwoStep-кластеризация ,TwoStep-кластеризація ,иерархическая кластеризация ,Biology ,фондовый рынок ,Stock market index ,k-засоби ,stock market ,країни “Великої сімки” ,инновационный подход ,страны “Большой семерки” ,twostep clustering ,k-средства ,Econometrics ,Key (cryptography) ,фондовий ринок ,ієрархічна кластеризація ,Cluster analysis ,hierarchical clustering - Abstract
Investment in stock market requires taking risk. Investors typically buy several stocks to create a portfolio which targets to maximize the return while keeping a certain level of risk. In today’s information-rich financial markets, one of the main challenges for individual investors in particular is to allocate the scarce sources appropriately within the wide range of investment alternatives that grouping the multiple assets based on their similar characteristics would be useful to take it out. In this paper, stock markets of the Group of 7 (G-7) countries consisting of France, United Kingdom, Germany, Italy, United States, Canada and Japan are examined over the period of 2011 and 2016 and some hierarchical clustering methods are applied on key indices namely, CAC 40 (France), FTSE 100 (UK), DAX (Germany), FTSE MIB (Italy), S&P TSX Composite (Canada), S&P 500 (USA), NIKKEI 225 (Japan) to identify the groups based on risk and return characteristics. Інвестиції на фондовому ринку вимагають прийняття ризику. Інвестори зазвичай намагаються сформувати свій інвестиційний портфель таким чином, щоб забезпечити отримання максимальної віддачі при збереженні прийнятного рівня ризику. У сучасних умовах для інвестора першочерговим завданням стає визначення найкращих джерел фінансування серед альтернативних варіантів шляхом групування активів з аналогічними характеристиками. У статті досліджено фондові ринки країн “Великої сімки” – Франції, Великобританії, Німеччини, Італії, США, Канади та Японії за період 2011-2016 рр. З метою поділу відповідних показників фондових ринків, зокрема CAC 40 (Франція), FTSE 100 (Великобританія), DAX (Німеччина), FTSE MIB (Італія), S&P TSX Composite (Канада), S&P 500 (США), NIKKEI 225 (Японія), на групи за критерієм “прибутковість – ризик” були використані окремі ієрархічні методи кластеризації. Инвестиции на фондовом рынке требуют принятия риска. Инвесторы обычно пытаются сформировать свой инвестиционный портфель таким образом, чтобы обеспечить получение максимальной отдачи при приемлемом уровне риска. В современных условиях для инвестора первоочередной задачей становится определение оптимальных источников финансирования среди аьтернативних вариантов путем группировки активов с аналогичными характеристиками. В статье исследованы фондовые рынки стран “Большой семерки” – Франции, Великобритании, Германии, Италии, США, Канады и Японии за период 2011-2016 гг. С целью разделения соответствующих показателей фондовых рынков, в частности, CAC 40 (Франция), FTSE 100 (Великобритания), DAX (Германия), FTSE MIB (Италия), S&P TSX Composite (Канада), S&P 500 (США), NIKKEI 225 (Япония), на группы по критерию “доходность – риск” были использованы отдельные иерархические методы кластеризации.
- Published
- 2017
24. The impact of regime-switching behaviour of price volatility on efficiency of the US sovereign debt market
- Author
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Omar Masood, Bora Aktan, Beata Gavurová, Bachar Fakhry, Manuela Tvaronavičienė, Raimonda Martinkutė-Kaulienė, Omar Masood, Bora Aktan, Beata Gavurová, Bachar Fakhry, Manuela Tvaronavičienė, and Raimonda Martinkutė-Kaulienė
- Abstract
This article focuses on the asset price volatility at the stock exchange that result from the regime switching behaviour in the market. This study is devoted to the question about how the asset price volatility affects the US sovereign debt market. The efficient market hypothesis has been a base for the asset pricing. This hypothesis is discussed in this study. The review of the literature reveals nuances of behavioural finance theory, and allows us to better understand the regime switching behaviour in the market. The object of empirical study is the US sovereign debt market. We use the Markov Regime-Switching ARCH (SWARCH) model to analyse data. The results show that there is high volatility regime in both the 2012 and 2017 bonds US market, which significantly affects bond prices.
- Published
- 2017
25. CLUSTERING IN KEY G-7 STOCK MARKET INDICES: AN INNOVATIVE APPROACH.
- Author
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Sinem, Peker, Bora, Aktan, and Manuela, Tvaronaviciene
- Subjects
- *
STOCK exchanges , *INDEXES , *FINANCIAL market reaction , *FINANCIAL markets - Abstract
Investment in stock market requires taking risk. Investors typically buy several stocks to create a portfolio which targets to maximize the return while keeping a certain level of risk. In today’s information-rich financial markets, one of the main challenges for individual investors in particular is to allocate the scarce sources appropriately within the wide range of investment alternatives that grouping the multiple assets based on their similar characteristics would be useful to take it out. In this paper, stock markets of the Group of 7 (G-7) countries consisting of France, United Kingdom, Germany, Italy, United States, Canada and Japan are examined over the period of 2011 and 2016 and some hierarchical clustering methods are applied on key indices namely, CAC 40 (France), FTSE 100 (UK), DAX (Germany), FTSE MIB (Italy), S&P TSX Composite (Canada), S&P 500 (USA), NIKKEI 225 (Japan) to identify the groups based on risk and return characteristics. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
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