Browsing by Author "Ersan, Oğuz"
Now showing items 1-6 of 6
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Daily and Intraday Herding within Different Types of Investors in Borsa Istanbul
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Publisher and Date:(Routledge Journals, Taylor & Francis Ltd, 2019)This paper aims to explore the daily and intraday herd behavior of various investor groups trading in an emerging equity market, Borsa Istanbul (BIST). We analyze a one-year tick-by-tick order and trade data of BIST 100 Index stocks and document differences in herding behavior of investor groups considering market capitalization, market conditions, and announcements as well as daily and intraday periodicities. We find that nonprofessional investors (brokerage houses and domestic funds) tend to ...
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Economic Policy Uncertainty And Bank Credit Growth: Evidence From European Banks
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Publisher and Date:(Elsevier B.V., 2020)Using a sample of 2977 private and listed banks in the EU-5 countries (the United Kingdom, Germany, Spain, Italy, France) for the years 2009–2018, this paper explores the impact of Economic Policy Uncertainty (EPU) on credit growth. Using panel data fixed effects methodology and controlling for endogeneity using two-step difference GMM estimators, our findings indicate that uncertainty in economic policies hampers the credit growth of European banks. Our bank type-based analyses indicate that the ...
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The speed of stock price adjustment to corporate announcements: Insights from Turkey
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Publisher and Date:(Elsevier, 2020)The market reaction speeds to the news flow are currently measured at the millisecond level in developed markets. We investigate, using a unique setting from Turkey, whether the market reaction speeds in less sophisticated markets are on par with those of developed markets. We find that market reaction times to corporate announcements are slower than documented in recent studies, although markets react to positive news more quickly than negative news. When high-frequency traders are more active ...
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ŞİRKETKÂRLILIĞININ FİNANSAL BELİRLEYİCİLERİ: GIDA SEKTÖRÜ ÜZERİNE BİR ARAŞTIRMA
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Publisher and Date:(Mali Çözüm, 2020)Bu çalışmanın amacı, hisse senetleri Borsa İstanbul’da (BIST) işlem gören Gıda, İçki ve Tütün Sektörü’nde (XGIDA) faaliyet gösteren 26 şirketin finansal göstergeleri ile kârlılık değişkenleri arasındaki ilişkilerin ortaya konulmasıdır. Bu amaçla sektördeki şirketlerin 2003-2017 yılları arasındaki mali tablolarından elde edilen finansal oranlar yıllık olarak ele alınmıştır. Analizde bağımlı değişkenler olarak aktif kârlılığı (ROA) ve öz sermaye kârlılığı (ROE); bağımsız değişkenler olarak ise ...
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The effect of European and global uncertainty on stock returns of travel and leisure companies
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Publisher and Date:(Sage Publications Ltd, 2019)This article aims to evaluate the impact of economic policy uncertainty (EPU) on the STOXX Europe 600 Travel & Leisure Price Index by utilizing a monthly data set for 20 years through 1997-2016. It is found that both the European and the global EPU have significant negative effects on the stock returns of travel and leisure companies. We demonstrate the significantly superior forecasting power of EPU measures on tourism and leisure stock returns relative to a rather weak forecasting power of various ...
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Yüksek frekanslı işlemlerin Borsa İstanbul pay piyasasındaki uç fiyat hareketleri çerçevesinde incelenmesi / Investigating high-frequency trading around the extreme price movements in Borsa Istanbul
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Publisher and Date:(Kadir Has Üniversitesi, 2021)Bu çalışmanın temel inceleme konusu yüksek-frekanslı işlemlerin (high-frequency trading, HFT) uç fiyat hareketleri esnasında piyasalara katılımlarıdır. HFT, bir saniyeden çok daha kısa zaman aralıklarında yüksek sayılarda emir gönderimi, büyük oranda emir iptalleri ve gün içi marjinal kâr hedefi ile özdeşleştirilebilmektedir. Çalışmada pozitif ve negatif uç fiyat hareketleri yaşanan hisse ve günlerde HFT aktivitesinin diğer günlere göre daha farklı düzeylerde olup olmadığı sorusuna cevap aranmaktadır. ...
