Filtreler
Filtreler
Bulunan: 117 Adet 0.001 sn
Dil : eng ✕Yayın Tarihi : 2023 ✕
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Erişime Açık

Forecasting realized volatility of BIST indices with har-type models

Köksal, Emre Ahmet

In this paper, realized volatility of a selection of BIST Indices are forecasted with Heterogeneous Autoregressive Model (HAR) and its variations. For this purpose, ticks between 2001 and 2021 are used to generate 5-minute returns, which formed the basis for calculations of realized volatility and other realized measures. In the study, rolling windows are utilized for forecasting the volatility of one day ahead. These predictions are then compared to the actual realized volatilities. The study provides a thorough comparison of HAR-type models, and emphasizes the importance of underlying time s ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 7 Görüntülenme
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The effect of online Turkish shoppers’ perceptions on purchase intention in fashion industry

Akkor Koktekin, Müge

Even though retail stayed almost the same in the last 20 years, the effect of digital tools and applications substantially altered how businesses operate and how consumers shop. When the pandemic increased the pace consumers adapted to changes, retail industry was already battling with the challenge to digitalize. This study is based on the adoption theories including the Theory of Reasoned Action and the Technology Acceptance Model to investigate the interrelationships between perceived website design, perceived privacy, perceived reliability, perceived customer service by the Turkish online ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 8 Görüntülenme
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The case of Marginalised Victorian women: An analysis of Charles Dickens’s Oliver Twist and hard times through Kate millett’s feminism

Kırmızıgül, Tuba

The present dissertation aims to analyse Victorian society and its reflection in the 19th-century novels such as Hard Times and Oliver Twist within the feminist framework. Discriminative attitudes in a patriarchal society and how females meet abuse from childhood are among the main concerns; therefore, these are also examined with a great emphasis and added to the research. Their miserable condition inspires the author of this study to shed light upon the women and children within their fictionalisation both in the Victorian novels and in different periods. Kate Millett’s Sexual Politics is co ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 11 Görüntülenme
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The mediating role of organizational cynicism perceived by employees on the effect of applied managerial power sources on the intention to quit

Alıcı, Özlem

In this study, it was tried to determine the mediating role of organizational cynicism perceptions of employees in the effect of managerial power sources applied by five-star hotel management managers on their intention to leave. The research universe of the study is the five-star hotel businesses in Istanbul. The sample of the research consists of 272 hotel employees determined by random sampling method among the employees in these enterprises, and the survey method was used in the research. Data were collected by face-to- face and online survey method. The data obtained as a result of the re ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 13 Görüntülenme
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Whatever singularity: queering the ‘quodlibet’ in the well of loneliness and oranges are not the only fruit

Yararoğlu, Semih

The aim of this thesis is to propose a hypothetical community for queer people of 20th century England depicted in two novels: Radclyffe Hall’s The Well of Loneliness (1928) and Jeanette Winterson’s Oranges Are Not the Only Fruit (1985) through Agamben’s idea of community. This study also intends to investigate the issue of the queer people in the 20th century, while demonstrating that the oppression of homosexual people has not changed despite the fact that one of the two novels is written at the beginning and the other at the end of the twentieth century. Suggesting a community to the queer ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 18 Görüntülenme
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Exhibition strategies of video works at Istanbul Biennials

Demirci, Öykü

The introduction of electronic image recording tools in the 1950s provided a unique structure that could affect the production processes of artists. At the beginning, video art was used by artists to criticize television and later on, artists developed new strategies using the possibilities of video from different disciplines and perspectives. Since 1960, artists have started to use video as a means of expression and video has spread rapidly. In Turkey, the spread of video art coincided with the 1990s, and the interest of artists in video art increased in the 2000s. The elements to be consider ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 12 Görüntülenme
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Increasing importance of global value chain Turkey's foreign trade comparative analysis

Akmanlar, Nur

The global value chain has increased its importance with the spread of foreign trade between countries. As a result of this situation, it has provided serious economic returns to the countries. Countries that use the global value chain effectively have become rich in this process. In this study, the comparison of foreign trade between BRIC countries and Turkey has been examined through Grubel Lloyd index. Through this Grubel Lloyd index, the economic effects of the global value chain on the Turkish economy and BRIC countries are detailed. The increasing importance of global value chain, which ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 9 Görüntülenme
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The investment strategies of art funds

Angün, Pelin

This thesis study examines the conditions that laid the groundwork for art funds in particular, their formation and development processes, and subsequently analyses the properties of art funds as a type of investment fund, and their structure and diversity, ultimately closely examining their investment strategies in detail through examples. Although artworks have been known to be valuable for centuries, the classification and acceptance of artworks as an asset class is a newer phenomenon that occurred in the last century. The operating mechanisms unique to the art markets evolved within the li ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 25 Görüntülenme
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The stigma of the fallen woman in the novels of jude the obscure and Yeryüzünde Bir Melek

Emiroğlu, Ecem Başak

Regardless of the cultural differences, the 19th century Victorian England and Tanzimat Period in Ottoman Empire had similar expectations from women. The two novelists from these two countries, Thomas Hardy and Ahmet Mithat Efendi, had critical attitude towards such expectations. Thus they created socially unacceptable but acceptable for them heroines. Afterall, for some Sue Bridehead is Hardy’s main focus and similarly for Ahmet Mithat Raziye is still an angel. The reason why these two heroines are unacceptable for the society’s of their days is intriguing. Considering all these, the aim of t ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 18 Görüntülenme
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Time symbol and concept of time in painting from the XX century to the present

Müsevitoğlu, Tetiana

This dissertation examines the symbol and concept of time in art from the 20th century to the present. In addition, it investigates and evaluates the relationship between art and symbol in the context of ideational and plastic arts. Furthermore, this dissertation investigates the relationship of the array of artworks between new aspects of artistic creativity and symbolism and perception, a modern way of creating new time symbols and their transfer to the audience. Finally, this study investigates the external effects of the diversity of trends in Western art on artists and artist groups such ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 12 Görüntülenme
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Comparative analysis of virtual games with video games: preferences of players worldwide

Ahtaq, Salah Eddine

The emergence of virtual reality in recent years has primarily focused on user interfaces, visual simulation, and 3D graphics. However, the community's interest in virtual reality has shifted towards the gaming industry in order to reach a larger audience. This thesis aims to study the differences and similarities between virtual games and traditional video games in order to determine user preferences and opinions. Over 60 days (April 1st - May 31st, 2023), an online survey gathered 300 comprehensive responses, revealing substantial insights, and 4 interviews have been conducted with 4 volunte ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 9 Görüntülenme
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Image to Music: Cross-Modal Melody Generation Through Image Captioning

Kaplan, Alper

Advances in machine learning in recent years have also been seen in computationally creative systems. Interest in machine-generated artifacts paved a way for creative models to evolve as such. But the earlier methods mostly explored a one domain approach and cross-modal learning has stayed relatively unexplored. Thus, the direct mapping between modalities for cross-modal creative models is not fully explored. This work proposes a novel methodology for generating symbolic music through images by directly mapping their features. A CNN encoder and deep stacked LSTM decoder are the base models as ...Daha fazlası

Preprint 2023 Yeditepe University Academic and Open Access Information System 30 Görüntülenme
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