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Your search keyword '"Ünal, Enes"' showing total 19 results
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19 results on '"Ünal, Enes"'

1. Towards an Improvement of Airport Retail Waste Management Using the Double Diamond Design Process

Author

Tjahjono, Michelle, Tjahjono, Benny, Ünal, Enes, Tran, Trung Hieu, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Silva, Francisco J. G., editor, Ferreira, Luís Pinto, editor, Sá, José Carlos, editor, Pereira, Maria Teresa, editor, and Pinto, Carla M. A., editor

Published
2024
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7. Sustainability trade‐offs in the circular economy: A maturity‐based framework.

Author

Ünal, Enes and Sinha, Vikash Kumar

Subjects
CIRCULAR economy, SUSTAINABILITY, RENEWABLE energy sources, RESOURCE allocation, SUSTAINABLE development reporting, RESOURCE management
Abstract

The theoretical and practical understanding of sustainability implementation has been changing in depth and scope. In particular, circular economy paradigms (e.g., Cradle to Cradle or "C2C" practices) have enabled firms to rethink their resource management behavior, resulting in distinct trade‐off patterns among different sustainability dimensions. Furthermore, while many established firms remain reactive and market‐oriented in their sustainability implementations, sustainability‐rooted firms proactively integrate sustainability practices into their core business. The prior literature on sustainability trade‐offs has unduly focused more on established firms that predominantly indulge in market‐oriented decisions and trade‐offs between profit and sustainability, lacking insights into the approaches adopted by sustainability‐rooted firms and trade‐offs among the different dimensions of sustainability. We performed a mixed‐methods study to address this gap and illustrated the rationale and dynamics of trade‐offs among five sustainability dimensions (i.e., material health, material reutilization, renewable energy, water stewardship, and social fairness). We primarily focused on firms in the United States and the European Union since they are the leading areas in terms of circular economy adoption. We explained the pattern of sustainability trade‐offs and associated them with a three‐stage maturity framework, namely, low‐hanging fruits, exploratory, and resource and time intensive. We contributed to the theory by depicting the influence of resource allocation and sustainability maturity level on trade‐offs among the five dimensions of sustainability. Practitioners can leverage our framework to better understand their sustainability transformation and make more informed decisions for attaining higher levels of sustainability with more impact. [ABSTRACT FROM AUTHOR]

Published
2023
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11. Temettü dağıtım politikalarının finansal performansa etkisi: bıst temettü 25 endeksi üzerine bir uygulama

Author

Ünal, Enes Malik and Enstitüler, Finans Enstitüsü, Finans Ana Bilim Dalı

Abstract

Tez (Yüksek Lisans) -- İstanbul Ticaret Üniversitesi -- Kaynakça var. ÖZET Şirketlerin yıl içerisinde elde ettikleri karın ortaklarına dağıtılması kararı, dağıtılacak ise ne kadarının dağıtılıp ne kadarının şirketin bünyesinde tutulacağı ve dağıtımın hangi yöntemle yapılacağı temettü dağıtım politikaları olarak tanımlanmaktadır. Şirketlerin temettü dağıtım politikalarını belirlerken izlediği stratejiler, şirketin performansı üzerinde etkili olmaktadır. Bu çalışmanın amacı BIST Temettü 25 Endeksi kapsamında yer alan 25 şirketin temettü dağıtım politikalarının finansal performansa etkisinin incelenmesidir. Uygulama dönemi 2009-2018 yılları arasındaki 10 yılı baz almaktadır. Çalışmada panel regresyon analizi yöntemi uygulanmıştır. Şirketlerin finansal performansının analizi için özsermaye karlılığı ve aktif karlılığı değişkenleri kullanılmıştır. Şirketlerin temettü dağıtım politikaları olarak, temettü dağıtıp dağıtmadığı ve temettü dağıtım oranı değişkenleri kullanılmıştır. Finansal performansa etkisinin olabileceği düşünüldüğünden çalışmanın modeline şirketlerin toplam varlıkları ve kaldıraç oranı da dahil edilmiştir. Çalışmada şu hipotezler geliştirilmiştir: H1: Temettü dağıtım oranı ile özsermaye karlılığı pozitif yönde anlamlı ilişkilidir. H2: Temettü dağıtım oranı ile aktif karlılığı pozitif yönde anlamlı ilişkilidir. H3: Kaldıraç oranı ile özsermaye karlılığı ve aktif karlılığı negatif yönde anlamlı ilişkilidir. H4: Firma büyüklüğü ile özsermaye karlılığı ve aktif karlılığı pozitif yönde anlamlı ilişkilidir. Uygulanan panel regresyon analizi çalışması sonucunda geliştirilen hipotezler H1, H2,H3 ve H4 kabul edilmiştir. vi Anahtar Kelimeler: Temettü Dağıtım Politikası, Finansal Performans, Temettü Dağıtım Oranı, BIST Temettü 25 Endeksi, Kar Payı Ödemesi, Panel Regresyon vii ABSTRACT The decision of the companies to distribute profit to their partners during the year, how much of them will be distributed and how much will be kept within the company, and the method of distribution is defined as dividend distribution policies. The strategies that companies follow while determining their dividend distribution policies have an impact on the company's performance. The aim of this study is to analyze the effect of dividend distribution policies of 25 companies within the scope of BIST Dividend 25 Index on financial performance. The implementation period is based on the 10 years between 2009-2018. In the study, panel regression analysis method was implemented. Equity profitability and asset profitability variables were used to analyze the financial performance of companies. As the dividend distribution policies of companies, whether the dividends are distributed or not and the dividend payout ratio variables are used. Since it is thought to have an impact on financial performance, the total assets and leverage ratio of the companies are also included in the model of the study. These hypotheses are developed in the study: H1: Dividend payout ratio and equity profitability are singnificant and positively related. H2: Dividend payout ratio and asset profitability are singnificant and positively related. H3: Leverage ratio and equity profitability and asset profitability are singnificant and negatively related. H4: Firm size and equity profitability and asset profitability are singnificant and positively related. The hypotheses developed as a result of the applied panel regression analysis study were accepted as H1, H2, H3 and H4. viii Keywords: Dividend Distribution Policy, Financial Performance, Dividend Payout Ratio, BIST Dividend 25 Index, Dividend Payment, Panel Regression ix İÇİNDEKİLER Sayfa No ÖNSÖZ VE TEŞEKKÜR . iv ÖZET . v ABSTRACT . vii TABLOLAR LİSTESİ . xiii ŞEKİLLER LİSTESİ . xiv GRAFİKLER LİSTESİ . xv KISALTMALAR LİSTESİ . xvi GİRİŞ . 1 BİRİNCİ BÖLÜM TEMETTÜ DAĞITIM POLİTİKALARI TEMEL KAVRAMLARI 1. 1. KAR KAVRAMI . 3 1. 2. TEMETTÜ (KAR PAYI) KAVRAMI . 5 İKİNCİ BÖLÜM TEMETTÜ DAĞITIM POLİTİKASI TÜRLERİ, TEMETTÜ ÖDEME ŞEKİLLERİ VE TEMETTÜ DAĞITIM POLİTİKALARINI ETKİLEYEN FAKTÖRLER 2. 1. TEMETTÜ DAĞITIM POLİTİKASI TÜRLERİ . 17 2. 1. 1. Sabit Oranlı Temettü Dağıtımı . 18 x 2. 1. 2. Uzlaşmaya Dayalı Temettü Dağıtımı . 20 2. 1. 3. İstikrarlı Temettü Dağıtımı . 20 2. 1. 4. Sabit Miktarda Temettü Dağıtımı . 21 2. 1. 5. Her Yıl Artan Temettü Dağıtımı . 23 2. 1. 6. Artık Temettü Dağıtımı . 24 2. 1. 7. Sabit Miktarlı Temettü ve Ek Temettü Dağıtımı . 25 2. 1. 8. Optimal Temettü Dağıtımı . 25 2. 2. TEMETTÜ ÖDEME ŞEKİLLERİ . 26 2. 2. 1. Nakit Temettü Ödemesi . 27 2. 2. 2. Pay Senedi Olarak Temettü Ödemesi . 29 2. 2. 3. Pay Senetlerinin Adedinin Yükseltilmesi ve Nominal Değerinin Düşürülmesiyle Temettü Ödemesi . 30 2. 2. 4. Firmanın Kendi Pay Senetlerini Alarak Temettü Ödemesi . 31 2. 2. 5. Bono Tipi Temettü Ödemesi . 32 2. 2. 6. Ayni Temettü Ödemesi . 32 2. 2. 7. Seçmeli Temettü Ödemesi . 32 2. 2. 8. İntifa Senedi Temettü Ödemesi . 33 2. 2. 9. Tasfiyeden Temettü Ödemesi . 33 2. 2. 10. Melez Temettü Ödemesi . 33 2. 3. TEMETTÜ DAĞITIM POLİTİKASINI ETKİYEN FAKTÖRLER . 34 2. 3. 1. Kanun ve Şirket Sözleşmesinde Bulunan Hükümler . 35 2. 3. 2. Vergi Etkisi . 35 2. 3. 3. Yatırım Planları . 36 2. 3. 4. İstikrarlı Temettü Dağıtımı . 37 2. 3. 5. Likidite Durumu . 37 2. 3. 6. Büyüme Hızı . 38 xi 2. 3. 7. Borç Durumu ve Borçlanma Olanağı . 38 2. 3. 8. Karlılık Oranı . 39 2. 3. 9. Ortaklık Yapısı . 39 2. 3. 10. Kredi Sözleşmelerinde Bulunan Hükümler . 39 2. 3. 11. Sermaye Piyasasına Başvurma İmkanı . 40 2. 3. 12. Piyasa Koşulları . 41 2. 3. 13. Benzer Şirketlerin Kar Payı Politikaları . 41 ÜÇÜNCÜ BÖLÜM TEMETTÜ DAĞITIM POLİTİKALARININ FİNANSAL PERFORMANSA ETKİSİNE YÖNELİK EKONOMETRİK ANALİZ 3. 1. LİTERATÜR TARAMASI . 43 3. 2. ARAŞTIRMANIN AMACI VE ÖNEMİ . 48 3. 3. ARAŞTIRMANIN HİPOTEZLERİ . 49 3. 4. ARAŞTIRMANIN YÖNTEMİ . 50 3. 4. 1. Panel Regresyon Analizi . 50 3. 5. ÖRNEKLEM SEÇİMİ VE VERİLERİN TANITIMI . 51 3. 6. ANALİZ SONUÇLARI VE DEĞERLENDİRME . 59 3. 6. 1. Panel Veri Homojenlik Testi . 59 3. 6. 2. Birinci Nesil Durağanlık Testi . 61 3. 6. 3. Panel Veri Yatay Kesit Bağımlılığının Testi . 62 3. 6. 4. İkinci Nesil Birim Kök Testi . 63 3. 6. 5. Panel Regresyon Tahmin Sonucu . 64 xii SONUÇ . 71 KAYNAKÇA . 73 EKLER . 82

Published
2020

17. A Maturity-Based Perspective on Sustainability Implementations.

Author

Ünal, Enes and Sinha, Vikash Kumar

Abstract

With the increasing number of firms adopting different sustainability practices, the theoretical and practical understanding of sustainability has been changing in depth and scope. This transition has fundamentally changed the way firms make sustainability trade-offs. The extant literature on trade-offs tends to focus on established firms that predominantly indulge in market-oriented decisions where economic priorities drive the deployment of scarce resources to "other" sustainability dimensions. In contrast to a market-oriented understanding, emerging studies on highly committed firms have demonstrated the importance of nonmarket-based factors that bolster the social, environmental, and political standings of firms. Such studies have cast doubts on our current understanding of the trade-off between different dimensions of sustainability. Aiming to inform the sustainability trade-off literature, we carried out a mixed-method study to explicate the rationale and dynamics of trade-offs between sustainability practices. [ABSTRACT FROM AUTHOR]

Published
2022
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18. Understanding Circular Economy Trade-offs.

Author

Ünal, Enes and Sinha, Vikash Kumar

Abstract

With the increasing number of firms transitioning towards a circular economy, the theoretical and practical understanding of sustainability has been changing in depth and scope. This transition has fundamentally changed the way firms make sustainability trade-offs. The extant literature on trade-offs tends to focus on established incumbent firms that predominantly indulge in market-oriented decisions where economic priorities drive the deployment of scarce resources to "other" sustainability dimensions. In contrast to a market-oriented understanding, emerging studies on highly committed firms have demonstrated the importance of nonmarket-based factors that bolster the social, environmental, and political standings of firms. Such studies have cast doubts on our current understanding of the trade-off between different dimensions of sustainability. Aiming to inform the sustainability trade-off literature, we carried out a mixed-method study to explicate the rationale and dynamics of sustainability trade-offs. [ABSTRACT FROM AUTHOR]

Published
2021
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19. Industry 4.0-Led Circular Business Model Innovation: Creating Economic- Environmental-Social Value.

Author

Ünal, Enes, Shoaib-ul-Hasan, Sayyed, and Okwir, Simon

Abstract

Circular business model innovation (CBMI) enables incumbent firms and start-ups to achieve sustainable development by radically modifying their products & services, processes and organizational forms. Accordingly, circular business models (CBMs) have been addressed as one of the viable strategies for 'win-win-win' setting in which all the stakeholders benefit through regeneration of social, environmental and economic capital. However, implementing CBM is challenging. Nevertheless, newly emerging digital technologies, collectively known as Industry 4.0, are changing the ways through which firms innovate and create value. Despite their common goals and synergetic relationship, CBMI and Industry 4.0 are mostly treated in isolation both in theory and in practice. By adopting an integrative literature review approach, this paper shows how the progression of Industry 4.0 facilitates CBMI. Three distinct stages of industry 4.0 are abstracted and mapped in association with three levels of CBMI with the respective logic of value creation. For theory, this research suggests an alternative and higher level logic for value creation than goods and service- dominant logic; that is called "Regeneration-Dominant Logic". Finally, by focusing on the intersection of Industry 4.0 and CBMI, the paper proposes an integrative framework to guide firms to design and innovate their BM towards higher levels of circularity." [ABSTRACT FROM AUTHOR]

Published
2020
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